Book 1

Mystery in the Mansion

by Lauren Magaziner

Published 14 August 2018

Pick-your-own-path and puzzle-packed mystery collide in the first book in Lauren Magaziner’s hilarious and high-stakes four-book middle grade series in which the reader must help Carlos and his friends put together the clues to save his mom’s detective agency.

In this wildly entertaining and interactive adventure, YOU pick which suspects to interview, which questions to ask, and which clues to follow. You pick the path—you crack the case!

Carlos Serrano has never solved a mystery in his life. But when Carlos’s mom gets sick with a flu on the morning of an investigation that could save her failing detective agency, Carlos takes on the case.

With the help of his best friend, Eliza, and her wild little brother, Frank, Carlos must uncover a mystery involving an eccentric local millionaire, anonymous death threats, and a buried treasure. But with tricky riddles, cagey suspects, hidden secrets, and dozens of impossible choices, they need your help!

Can you help Carlos and his friends find the culprit and save Las Pistas Detective Agency? Or will it be case closed?

Middle grade readers will enjoy all four books in this favorite series: Mystery in the Mansion (#1), Stolen from the Studio (#2), Haunting at the Hotel (#3), and Danger on the Dig (#4)!


Book 2

Stolen from the Studio

by Lauren Magaziner

Published 13 August 2019

The hilarious and high-stakes Case Closed middle grade series gets a touch of Hollywood glamor! Pick-your-own-path and puzzle-packed mystery collide in this star-studded sequel in which the reader must help Carlos and his friends solve the disappearance of a famous teen actress.

In this wildly entertaining and interactive adventure, YOU pick which suspects to interview, which questions to ask, and which clues to follow. You pick the path—you crack the case!

Carlos Serrano needs your help—again! His mother has received an urgent assignment to find the missing star of a wildly popular TV show, but she won’t let Carlos investigate!

With his genius friend, Eliza, and her little brother, Frank, along for the case, Carlos is excited to examine the studio for clues and interrogate suspects on the set of Teen Witch, but he has to keep his detective work hidden from his mother's laser-sharp gaze. And just like before, he can’t do it without you!

Can you help Carlos and his friends solve the puzzles and stay out of trouble long enough to save Layla Jay? Or will it be case closed?

Middle grade readers will enjoy all four books in this favorite series: Mystery in the Mansion (#1), Stolen from the Studio (#2), Haunting at the Hotel (#3), and Danger on the Dig (#4)!


Book 2

Case Closed #2

by Lauren Magaziner

Published 13 August 2019

Lauren Magaziner's hilarious and high-stakes middle grade series gets a touch of Hollywood glamor! Pick-your-own-path and puzzle-packed mystery collide in this star-studded sequel in which the reader must help Carlos and his friends solve the disappearance of a famous teen actress.

In this wildly entertaining and interactive adventure, YOU pick which suspects to interview, which questions to ask, and which clues to follow. You pick the path-you crack the case!

Carlos Serrano needs your help-again! His mother has received an urgent assignment to find the missing star of a wildly popular TV show, but she won't let Carlos investigate!

With his genius friend, Eliza, and her little brother, Frank, along for the case, Carlos is excited to examine the studio for clues and interrogate suspects on the set of Teen Witch, but he has to keep his detective work hidden from his mother's laser-sharp gaze. And just like before, he can't do it without you!

Can you help Carlos and his friends solve the puzzles and stay out of trouble long enough to save Layla Jay Or will it be case closed


Book 3

Haunting at the Hotel

by Lauren Magaziner

Published 11 August 2020

Pick-your-own-path and puzzle-packed mystery collide in the third book in Lauren Magaziner’s hilarious and interactive middle grade series. In the Case Closed books, the reader helps Carlos and his friends hunt ghosts at a haunted hotel.

In this wildly entertaining adventure, YOU pick which suspects to interview, which questions to ask, and which clues to follow. You pick the path—you crack the case!

Carlos Serrano is now officially an apprentice detective at Las Pistas Detective Agency. He finally earned his mom’s trust, but his next case will be his most difficult one yet. Guests at a creepy mountain hotel are complaining of weird disturbances, threatening messages, and hair-raising howls!

Carlos, along with his best friend, Eliza, and her wacky little brother, Frank, arrive on the scene to investigate a . . . ghost? What secrets is this haunted hotel hiding? With tricky puzzles, ghoulish secrets, ectoplasmic enemies, and dozens of impossible choices, these junior detectives need your sleuthing skills!

Can you help Carlos and his friends unravel the mystery before it’s too late? Or will it be case closed?

Middle grade readers will enjoy all four books in this favorite series: Mystery in the Mansion (#1), Stolen from the Studio (#2), Haunting at the Hotel (#3), and Danger on the Dig (#4)!


Book 3

Case Closed #3

by Lauren Magaziner

Published 11 August 2020

Pick-your-own-path and puzzle-packed mystery collide in the third book in Lauren Magaziner's hilarious and interactive middle grade series in which the reader must help Carlos and his friends hunt ghosts at a haunted hotel.

In this wildly entertaining adventure, YOU pick which suspects to interview, which questions to ask, and which clues to follow. You pick the path-you crack the case!

Carlos Serrano is now officially an apprentice detective at Las Pistas Detective Agency. He finally earned his mom's trust, but his next case will be his most difficult one yet. Guests at a creepy mountain hotel are complaining of weird disturbances, threatening messages, and hair-raising howls!

Carlos, along with his best friend, Eliza, and her wacky little brother, Frank, arrive on the scene to investigate a . . . ghost What secrets is this haunted hotel hiding With tricky puzzles, ghoulish secrets, ectoplasmic enemies, and dozens of impossible choices, these junior detectives need your sleuthing skills!

Can you help Carlos and his friends unravel the mystery before it's too late Or will it be case closed

Middle grade readers will enjoy all three books in this favorite series: Mystery in the Mansion (#1), Stolen from the Studio (#2), and Haunting at the Hotel (#3)!


Book 4

Danger on the Dig

by Lauren Magaziner

Published 17 May 2022

Pick-your-own path and puzzle-packed mystery collide in the fourth book in Lauren Magaziner’s hilarious and interactive middle grade series as Las Pistas Detective Agency gets its first international case at an archaeological dig in Greece.

In this wildly entertaining and interactive adventure, YOU pick which suspects to interview, which questions to ask, and which clues to follow. You pick the path—you crack the case!

Carlos and Eliza may be going on separate paths, but their end goal is the same—keep the booby traps from taking their detective agency out! But with tricky puzzles and dozens of impossible choices, they need your help! Can you help Carlos and his friend find the lost treasure . . . and can you protect it from the culprit trying to steal it?

Can you help Carlos and his friends unravel the mystery before it’s too late? Or will it be case closed?

Middle grade readers will enjoy all four books in this favorite series: Mystery in the Mansion (#1), Stolen from the Studio (#2), Haunting at the Hotel (#3), and Danger on the Dig (#4)!