Dan Greenburg

Ten-year-old orphan twins Wally and Cheyenne Shluffmuffin have it bad at Cincinnati's Jolly Days orphanage, but things get much worse when the Mandible sisters offer to share their home in Dripping Fang Forest.

Zack starts turning into a cat when the spirit of an ancient Egyptian cat goddess is accidentally transferred into his body during a class field trip.

Zack feels that a supernatural force is at work in his apartment when he encounters floating television sets, pancakes that flip by themselves, and a ghost named Wanda.

"Stop the clock! Someone has frozen time in order to steal four of the world's most valuable treasures. And the thief is wearing a black mask like Maximum Boy, a silver cape like Maximum Boy, and a hat with [his] logo on it..

After an electrifying experiment in science class gives Zack a shock, he realizes that he can read other people's minds. Who'd have thought mind reading could be such a pain? I mean, I expected to discover everyone's silly secrets. But someone is planning something very strange--and it's no joke! When a flubbed electricity experiment in science class gives Zack a shock, he suddenly finds out he has a talent he never had before--Zack can now read other...

In this time-travel story, Zack, a fifth-grader, meets his future son. When Zack goes to a store to buy a baseball card, he finds himself face-to-face with his future son who has traveled back in time.

After the Mandible sisters kidnap his sister Cheyenne, Wally seeks the help of a group of orphans and his vampire father.

Followed by an assassin and her poisonous snakes, ten-year-old twins Wally and Cheyenne Shluffmuffin try to get from their Ohio home to the FBI training facility in Quantico, Virginia, to get help in freeing human hostages from the onts.

"Is two too much? That's what Max Silver is about to find out. Because his sister, Tiffany, is the newest superhero flying through the sky ..."