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

What I wanted was a cute little kitten. Instead, I got a tough tomcat that talks. And that's not all! He says he's my Great-Grandpa Julius and he needs my help.

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

Zack is nervous about the fifth-grade Halloween dance. He doesn't know how to dance and he doesn't have a date! When Zack meets Prudence, a beautiful girl who s

My room is a mess. Now, usually this is not big news. But my clothes have started moving...when I'm not inside them. And the TV is floating across the room! Gue