When Zack and Spencer get the late-night munchies at a sleepover, they curb their hunger with some freeze-dried food that Zack got at the Air & Space Museum. After devouring freeze-dried ice cream and pizza, they come across an extra package of freeze-dried something. When opened and wet, the shriveled mass starts growing, and growing and growing! How will the boys stop an out-of-control blob from eating everything in sight before it's too late? Illustrated by Jack E. Davis.

When Zack and Spencer get the late-night munchies at a sleepover, they curb their hunger with some freeze-dried food that Zack got at the Air & Space Museum. After devouring freeze-dried ice cream and pizza, they come across an extra package of freeze-dried something. When opened and wet, the shriveled mass starts growing, and growing and growing! How will the boys stop an out-of-control blob from eating everything in sight before it's too late? Illustrated by Jack E. Davis.

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).

Late one night when Zack hears strains of "Heartbreak Hotel" coming from the fridge, he discovers the possibility that Elvis lives on...as a turnip! Talk about getting back to musical roots!

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!

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 speaks with a funny accent and dresses in old-fashioned clothing, he's smitten. He thinks he's found the perfect date for the dance! Prudence is so different from the rest of the kids he knows. She's actually come from the past-the year 1692 to be exact-and she's fleeing the Salem witch trials! Will Zack and Prudence even make it to the dance, or will she have to return to the past? Read on to find out!