Book 1

Pool Party Puzzler

by Carolyn Keene

Published 7 July 2015
Help Nancy and her friends find out who's causing a major pool party problem in this first book in an all-new, interactive Nancy Drew chapter book series. Includes space for readers to jot down their own ideas and solutions to the case!

Snooty Deidre Shannon writes in her blog "Dishing with Deidre" that since eight is half of sixteen, she's entitled to a Super Sweet Half-Sixteen party this year! And since the Shannons have a pool, she's decided to make mermaids her theme. Nancy, Bess, and George are invited to the big bash, where all party guests must dress in under-the-sea-themed costumes.

For her grand entrance, Deidre dresses as a mermaid and is carried out on a giant half-shell by six teenage "sea creatures." The garden boasts hedges clipped into the shapes of various types of ocean life. Deidre's father even booked "Queen Mermaid Marissa" to perform in their pool-fin and all.

But when a squirmy snake is found swimming in the pool too, Queen Marissa leaves in a huff! Who would sabotage the mermaid pool performance? Nancy, Bess, and George intend to find out!

Book 2

Last Lemonade Standing

by Carolyn Keene

Published 7 July 2015
Help investigate the case of a missing lemonade recipe with Nancy and her friends in the second book in an all-new, interactive Nancy Drew chapter book series. Includes space for readers to jot down their own ideas and solutions to the case!

Nancy, Bess, and George want tickets to see pop singer Katy Sloan play at the River Heights Amusement Park-but their parents say they've already filled their summer theme-park quota. So the girls decide to turn lemons into lemonade by earning their own tickets-with a lemonade stand!

Unfortunately Lily Ramos, a new girl in River Heights, has the same idea. She's the niece of the owner of the town's newest and hottest cafe, and her stand is equipped with cafe tables, gourmet treats, and a rolling library cart! Good thing Nancy has a secret weapon: Hannah's family lemonade recipe!

The girls are all set to whip up the lemonade-until the recipe is replaced by a blank sheet of paper! Nancy, Bess, and George set out to find the thief! Could it be Lily, whose stand may be fancy but whose lemonade is totally yucky? Or a sneaky contestant on Ready, Set, Cook!, the hot new kids' cooking contest show? It's up to the Clue Crew-and you-to find out!

Book 3

A Star Witness

by Carolyn Keene

Published 3 November 2015
When a famous telescope goes missing at the planetarium, Nancy and her friends must zoom in on the culprit in the third book in an all-new, interactive Nancy Drew chapter book mystery series. Includes space for readers to jot down their own ideas and solutions to the case!

As the newest member of the River Heights Astronomy Club, George brings Nancy and Bess on a special field trip to the city’s high-tech planetarium. There they meet famous astronomer Dr. Winston Arnot, learn about the planets and the stars, and even get to see an awesome planetarium show.

After dinner, they’re supposed to meet on the museum’s roof to gaze at the night sky using the Starship 5000, one of the world’s most powerful telescopes. But when they arrive they discover the famous telescope has been stolen! Can Nancy and her friends solve the case before Dr. Arnot becomes the main suspect?

Book 4

Big Top Flop

by Carolyn Keene

Published 1 March 2016
Help Nancy and her friends track down the crafty clown who stole George's junior ringmaster whistle in the fourth book in an all-new, interactive Nancy Drew chapter book mystery series. Includes space for readers to jot down their own ideas and solutions to the case!
The Bingle and Bumble Circus is coming to River Heights, and Nancy, Bess, and George are super excited to see the clowns, animals, and acrobats. But most of all, they're excited about the Junior Ringmaster whistling contest! To win, all they have to do is be the kid who whistles the loudest and the longest. The winner of the contest will get to be Junior Ringmaster at the circus's opening night and they'll get a shiny silver whistle as a prize!
After George wins, her friends can't wait to see her in the show. But when the time comes, she blows and blows her whistle...and nothing comes out. When she checks her whistle, George realizes that it was switched with a broken one! Will Nancy and her friends find the whistle-snatcher before the circus leaves town?

Book 5

Movie Madness

by Carolyn Keene

Published 12 July 2016
Help Nancy and her friends find a prop that's gone missing from a superhero movie set in the fifth book in an interactive Nancy Drew chapter book mystery series. Grab a piece of paper and get ready to jot down your own ideas and solutions to the case!

School is out for summer and the timing is great because a movie is filming in River Heights, and Nancy, Bess, and George-along with a bunch of their classmates-get to be extras in a scene shot at the playground!

The movie features Glam Girl, a fashion-forward superhero who gets her powers through her clothes. When the girls arrive on set, they catch a glimpse of the super shoes that give Glam Girl the ability to run, jump, and kick with super-speed. An assistant explains to them that there is only one pair in existence and that they were custom-made for the actress Shasta's feet.

Everyone goes wild as Glam Girl runs into the playground, blue shoes glimmering. But when Shasta's on a between-scenes break, the shoes go missing! The director says that if the shoes aren't found, they'll be leaving River Heights and their scene won't make it into the movie! Good thing Nancy happens to have her most important prop right in her pocket-her clue book.

Who took the blue super shoes? Was it Paloma Garva, who needs a pair of blue shoes for her Junior Fashion Show? Was it Rosie the stunt-woman, who seems to envy Shasta's spotlight? Or was it the Popcorn Peeps, their classmates' film club, who need movie relics for their new museum?

Book 6

Pets on Parade

by Carolyn Keene

Published 18 October 2016
Nancy, Bess, and George solve a doggone puzzler of a mystery during the annual River Heights Halloween Pet Parade in the sixth book in an all-new, interactive Nancy Drew chapter book mystery series.

Nancy, Bess, and George are gearing up for a weekend of River Heights Halloween activities, including the annual Howl-A-Ween Pet Parade! All the kids get to dress up their pets and march with them up Main Street. Nancy's dog, Chocolate Chip, is even picked to lead the parade atop a festive hay wagon float!

But right before show time, Chip starts whining, running in circles, and burrowing into the hay! When Nancy can't calm her down, the parade officials remove her as the leader!

Nancy, Bess, and George wonder if something-or someone-made Chip act that way. Nancy pulls out her clue book; the Clue Crew is on the case! Who's behind Chip's strange doggy behavior? Is it Deidre Shannon, who was mad that Chip was chosen over her princess puppy Pom-Pom to lead the parade? Felipe the Pet Trainer, who wanted a dog he was training to lead the parade? Or is it-yikes!-the ghost of Murray the Monster Mutt? Will the Clue Crew crack this case before all the River Heights pets go batty?

Book 7

Candy Kingdom Chaos

by Carolyn Keene

Published 21 March 2017
Help Nancy and her friends solve a sweet mystery at the new Candy Kingdom amusement park in the seventh book in the interactive Nancy Drew Clue Book mystery series.

The new Candy Kingdom theme park is opening in River Heights and Nancy, Bess, and George can’t wait! The park is supposed to have candy-themed rides, attractions, arcade games, and more, so when Bess wins four free passes to the park, she invites Nancy, George and their good friend, Nadine Nardo to check it out.

But Nadine’s wristband goes missing after the first ride! Nancy and her friends know that all of the wristbands were tied securely, so it couldn’t have just fallen off. Can Nancy, Bess, and George track down the stolen wristband before their sweet day at Candy Kingdom turns sour?

Book 8

World Record Mystery

by Carolyn Keene

Published 17 October 2017
Help Nancy and her friends find a missing lucky headband so River Heights teen Katie can break the world record at the local arcade’s dance game in the eighth book in the interactive Nancy Drew Clue Book mystery series.

Everyone in River Heights has shown up to watch Katie McCabe try to beat the world record for the Dance-A-Thon game. Judges are coming to the arcade to see how quickly she can spin across the electronic dance floor and how many points she can win.

But just as Katie’s about to get ready, she notices her lucky headband has gone missing! She always wears the blue, sparkly headband when she competes and knows she’ll bomb without it. Luckily, Nancy takes her Clue Book everywhere. Nancy, Bess, and George are on the case! Who is sabotaging Katie’s big day? Could it be the owner of the rival arcade, Michael Parker, who wanted the judges to see his world record sock attempt? Or May Bensen, the current Dance-A-Thon record holder? It’s up to the Clue Crew—and you—to find out!

Book 9

Springtime Crime

by Carolyn Keene

Published 20 March 2018
Help Nancy and her friends find out what happened to a superstar's flower hat in the ninth book in the interactive Nancy Drew Clue Book mystery series.

Spring has sprung in River Heights! The annual Flower Sculpture contest is in a couple of days and everyone in town is working hard to finish their floral works of art. But Nancy, Bess, and George are most excited to see the world-famous pop singer, Miss LaLa, perform. The superstar grew up in River Heights and has agreed to kick off the contest with a song. And just when the girls thought life couldn't get any better, they run into Miss LaLa herself! The singer is in a bit of a pickle though: She brought a giant hat made of white peonies for the show but she doesn't have a refrigerator big enough to store it in. George thinks quickly and offers to put it in her mom's catering refrigerator.

But when the girls check on the hat the next morning they see something has gone terribly wrong. Half of the snowy white blooms are wilted and brown! They use their detective skills to rule out a blackout. And George can't remember if she locked the door last night. Could someone have snuck into the kitchen and switched the fresh flowers with droopy ones?

Nancy and her friends are determined to find out! Could it be Madame Withers, whose signature wilted rose perfume was rejected by Miss LaLa? Perhaps it was the famous flower artist Pierre, who was angry that Miss LaLa was the star of the show. Or it maybe it was Benjamin Bing, who ruined his flower sculpture with brown hair spray and had no more white peonies to replace them. It's up to the Clue Crew-and you-to find out!

Book 10

Boo Crew

by Carolyn Keene

Published 4 September 2018
Help Nancy and her friends find the truth behind a haunted theater in the tenth book in the interactive Nancy Drew Clue Book mystery series.

The hit TV show Twinkle Little Stars is coming to River Heights to audition contestants for their upcoming Halloween show. They’ll choose talented kids from all over the country to compete for prizes. Nancy, Bess, and George are dressing up as witches and are planning to create a special potion onstage for the judges.

The recently renovated Heights Theatre has opened its doors for the auditions. The old theatre had been abandoned for fifty years but is now restored to its original beauty. But on the day of the auditions, everything seems to go wrong; the girls’ cauldron over bubbles, a werewolf mask makes its owner sneeze, spider webs fall on the dancers. That’s when the clue crew learns the Heights Theatre is rumored to be haunted—people say ghosts are the reason it stayed empty for so long. But Nancy knows better than to believe in ghosts. She’s sure that the culprit is of the human variety.

Then Bess sees monsters dancing around a piano playing on its own—the keys moving but no is playing it. Could the rumors be true? Is the Heights Theatre really haunted? It’s up to the clue crew—and you—to find out!

Book 11

The Tortoise and the Scare

by Carolyn Keene

Published 19 March 2019
Help Nancy and her friends find a missing tortoise in the eleventh book in the interactive Nancy Drew Clue Book mystery series.

Nancy, Bess, and George have been looking forward to their school trip to the Wildlife Refuge for weeks. They’ve been studying all the different animals they’ll see there—pygmy hedgehogs, scarlet macaws, and ball pythons. Nancy is most excited to see the sixty-year-old tortoise—that hard-shelled creature is older than her dad. But when her class reaches the enclosure they find out the tortoise is on the loose!

Nancy and her friends are on the case. Can they save the day before the class trip is over? Or will this sneaky reptile outsmart them all?

Book 12

Turkey Trot Plot

by Carolyn Keene

Published 3 September 2019
Nancy and her friends search for a missing chocolate turkey in the twelfth book in the interactive Nancy Drew Clue Book mystery series.

Nancy, Bess, and George are running in River Heights’s Turkey Trot this year and Bess has designed some super cute turkey-inspired outfits for them to wear. They’re hoping to win the costume contest and receive the winning prize, a giant chocolate turkey from Classy Coco, the new fancy chocolate shop in town.

But when the chocolate turkey goes missing the morning of the race, Anna Epicure blames the Turkey Trot runners and bans kids from her shop…forever!

Can the Clue Crew solve the mystery of missing chocolate and clear the trotters’ names? Or will the confectionary conundrum leave these three smarties stumped?

Book 13

Puppy Love Prank

by Carolyn Keene

Published 17 March 2020
Nancy and her friends save a dog shelter’s big day in the thirteenth book in the interactive Nancy Drew Clue Book mystery series.

Helga and Horatio are getting married! The bride and groom are two fluffy white dogs belonging to one of River Heights’s more eccentric citizens, Mrs. Ainsworth. Mayor Strong’s mansion is decorated for the occasion, and the whole town is invited. The celebration is an effort to raise awareness for Waggamuffins, the local pet shelter. And Nancy, Bess, and George are helping out by walking three adoptable dogs down the aisle.

But the wedding comes to a barking halt when the bride and groom are found covered in sticky paint! Mrs. Ainsworth is so upset she calls off the whole thing and demands to know who is behind this color conundrum. But if the guests leave early, how will they meet all the cuddly canines that still need homes?

Can the Clue Crew solve the case of the painted pups before it’s too late? It’s up to the Clue Crew—and you—to find out!

Book 14

The Big Island Burglary

by Carolyn Keene

Published 28 July 2020
Nancy and her friends search for a stolen camera in the fourteenth book in the interactive Nancy Drew Clue Book mystery series.

Nancy is ready for fun in the sun when she joins Bess and George’s families on a trip to Hawaii. The girls are excited to take surfing lessons, swim with manta rays, and experience the beautiful sights of the Big Island. At a luau one night, the girls get to taste all kinds of yummy local specialties and are even invited up to help with a hula performance.

But during the show, one the other guests has his fancy camera stolen, and he’s sure someone there is the culprit. Luckily, Nancy, Bess, and George are on the case!

Can the Clue Crew see the big picture and zoom in on the thief in time to enjoy the rest of their trip? Or will this island adventure be a total washout?

Book 15

The Great Goat Gaffe

by Carolyn Keene

Published 9 March 2021
Nancy and her friends are on the case when a goat yoga class goes baaaad in the fifteenth book in the interactive Nancy Drew Clue Book mystery series.

Nancy is excited for Kids with Kids at Sweet Creams Farm. She and her friends are going to learn yoga surrounded by adorable baby goats. They might even be on TV, since Good Morning River Heights is coming to do a story on the new class.

Peaceful meditation turns into mayhem when one of the goats goes wild, bouncing around and chewing on everything. Nancy recognizes the crazy kid—YouView star Pogo the Trampoline Goat. But why is he there? Did someone slip him into the pen to sabotage the class?

Can the Clue Crew find out the truth and restore Sweet Creams Farm’s reputation?

Book 15

The Great Goat Gaffe

by Carolyn Keene

Published 9 March 2021
Nancy and her friends are on the case when a goat yoga class goes baaaad in the fifteenth book in the interactive Nancy Drew Clue Book mystery series.

Nancy is excited for Kids with Kids at Sweet Creams Farm. She and her friends are going to learn yoga surrounded by adorable baby goats. They might even be on TV, since Good Morning River Heights is coming to do a story on the new class.

Peaceful meditation turns into mayhem when one of the goats goes wild, bouncing around and chewing on everything. Nancy recognizes the crazy kid—YouView star Pogo the Trampoline Goat. But why is he there? Did someone slip him into the pen to sabotage the class?

Can the Clue Crew find out the truth and restore Sweet Creams Farm’s reputation?

Book 16

Duck Derby Debacle

by Carolyn Keene

Published 13 July 2021
When the rubber duckies for River Heights’s duck derby go missing, Nancy and her friends are ready to quack the case in the sixteenth book in the interactive Nancy Drew Clue Book mystery series.

River Heights is hosting a duck derby to raise funds to install new benches by the pond in the park. Nancy, Bess, and George want to help, so they ask Mayor Strong if they can number the rubber duckies that will be used in the race. It’s a big responsibility, but they know they can do it.

Then the box holding the duckies goes missing from Nancy’s doorstep! The girls need to find the duck-napper fast, but there’s a flock of suspects. Where do they even start without even a squeak of a clue?

Will the Clue Crew figure out who flew off with their rubber duckies before the Mayor finds out they’re gone?

Book 17

Recipe Ruckus

by Carolyn Keene

Published 8 March 2022
Nancy and her friends must whip up a way to find the thief involved in a delicious baking case in the seventeenth book in the interactive Nancy Drew Clue Book mystery series.

With Hannah’s birthday coming up, Nancy is searching for the perfect present. When she spots a pretty apron with cherries embroidered on it, she knows Hannah will love it, especially because she’s going to be selling baked goods at the River Heights Cherry Blossom Festival.

But the apron holds an even more exciting surprise: inside the pocket, Nancy finds a scribbled note. After a little research help from Bess and George, Nancy thinks the apron might have belonged to famous baker Patty Crumbley and the note she found could be her rumored missing hundredth chocolate chip cookie recipe!

But soon, something else goes missing—the apron! Can the Clue Crew figure out who stole the apron before Hannah’s big day becomes a dessert disaster?

Book 18

Bird Bonanza

by Carolyn Keene

Published 6 June 2023
Nancy and her friends must unearth the person who sabotaged the River Heights Nature Park’s fundraiser in the eighteenth book in the interactive Nancy Drew Clue Book mystery series.

Nancy, Bess, and George are excited to be attending Bird Bonanza Camp. They’ll spend their time learning all about different kinds of birds and taking part in fun crafts and activities. The highlight of the week is the Great Bird Count, an event where local bird watchers and ornithologists catalog every bird they see to help keep track of the health of the area’s bird population. George is especially excited because one lucky participant will win a pair of PowerTron 5000s, binoculars so strong you can practically see to the moon!

But when someone breaks into a greenhouse and destroys the plants being kept there, the girls suddenly have a new case. The park was planning to sell the now-ruined bird-friendly flowers and shrubs to help fund their activities for the year and help keep the nature preserve running. Even worse, the PowerTron 5000s have gone missing! Without the grand prize, the park’s director thinks she might need to cancel the Great Bird Count.

Can the Clue Crew find the birdbrain responsible for the damage in time to save the big day?

Book 19

Chimpanzee Spree

by Carolyn Keene

Published 11 June 2024
Nancy’s Earth Day project turns into chimpanzee chaos in the nineteenth book in the interactive Nancy Drew Clue Book mystery series.

Nancy, Bess, and George need to create an Earth Day project for school, and they’ve landed on the perfect idea: Chimpiñatas! These globe-shaped piñatas are enrichment toys made for the chimpanzees at the Hairy Hideaway animal sanctuary to enjoy. The girls have filled them with the chimps’ favorite healthy snacks, like seeds and fruit, but when the chimps crack open the piñatas, they find that one of them is filled with candy!

Who could have switched out the Chimpiñata, and why would they want to make the chimps go bananas? If anyone can find the schemer behind this sugar rush, it’s the Clue Crew!