Book 16


Book 16

Uh-oh! Thanks to a heaping helping of a new dietetic sugar substitute, Zack shrinks down to the size of a bug. It's not all that bad--until he discovers an army of ants who are building an ant pyramid for their despotic pharaoh-queen!

Book 16


Book 17

Yikes! Grandma's a Teenager

by Dan Greenburg

Published 1 November 1999

Book 17

A trip to New York City to celebrate her 89th birthday--and participate in a Rockettes reunion at Radio City Music Hall--leaves Zack's Grandma Leah feeling younger than springtime. And she's looking that way too, since a strange trip through an airport metal detector turned back the hands of time and is making Grandma grow younger and younger!

Book 18

Forget about the Y2K problem! Zack's up to his ears in dragons and wizards when a computer glitch sends him hurtling back in time to the year 999--and a peculiar boys' school known as Dragon Slayers' Academy!

Book 19

Zack's first trip to sleep-away camp gets a little hairy when legends of a mysterious creature lurking in the woods turn out to be more than just campfire tales. Is it the missing link? Yeti? Sasquatch? Bigfoot?

Book 19


Book 20


Book 20

Zack goes on a class trip, gets an insect bit, and suddenly can't speak a single word that isn't in rhyme. Talking like a modern-day Shakespeare may be fun at first, but not when you can't turn it off! What could be verse? How did this happen? And how can Zack make it stop?

Book 21

Don't Count on Dracula

by Dan Greenburg

Published 1 October 2000
Strange things just won't stop happening to Zack! One more out-of-this-world adventures join this funny series about a 10 year old who's prone to paranormal problems. Zack enters a horror film fan contest, and he and his best friend win an evening with Mella Bugosi, an aging horror film star with a Transylvanian accent. It's not long before Zack notices Mella has some pretty odd habits: he avoids sunlight at all costs, he sleeps in a coffin, and...Zack hopes that's V-8 he's drinking! Could good old Mella be an actual vampire?

Book 22


Book 22


Book 22

Zack used to be in control of hisown body. But that was before someone else—someone who's been dead almost one hundred years—took over. She's bossy, she's British, she's a queen—and she and Zack are not amused!

Book 23

When Zack bought a dinosaur egg at the flea market, he was given one warning: DO NOT put it in the microwave! I'll bet you can guess what happened next...

Book 24


Book 24

I went to visit my Grandma Leah in Chicago, and we went to a White Sox game. Doesn’t sound like such a big deal, right? Well, here’s the thing—Grandma played in the game!

Book 25

It seems like a regular field trip to a natural history museum—until Zack gets locked inside for the night and discovers what really goes on in those display cases when no one is watching. A tribe of curious Neanderthals, rampaging woolly mammoths, prehistoric food shortages . . . it’s just another wild adventure for Zack!

Book 26

Me and My Mummy

by Dan Greenburg

Published 1 April 2002
Mummies are cool, but they’re creepy, too! Zack has faced aliens, vampires, time-travelers, ghosts, and Bigfoot—now find out what happens when he meets teenage mummy Ikhnaton (Icky for short).

Book 27

Zack's new substitute teacher seems kind of odd. And she is rather hairy. And get this, her name is Mrs. Wolfowitz! But is she really a werewolf? Or just one very weird lady who happens to like the taste of homework papers? Read on to find out!