Greenburg, Dan

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.

Eleven-year-old superhero Max Silver must save Manhattan from two villains.

Zack asks a new girl to the Halloween dance and finds that she has traveled through time all the way from 1692 Massachusetts.

Zack's science fair partner, Andrew, has always boasted and told lies, but now each time Andrew fibs his butt gets bigger, and Zack must find a way to help before their science project is destroyed.

Ten-and-a-half-year-old Zack finds out how spooky the natural history museum really is when he gets trapped there at night.

When magic enables Zack's eighty-eight-year-old grandmother to become a terrific batter, she ends up playing in a Chicago White Sox baseball game.

Zack buys a dinosaur egg at a flea market, ignores the warning not to put it in the microwave, and ends up with a new pet.

Zack's body is occupied by the ghost of Queen Victoria.

Ten-year-old Zack gets a chance to meet the old horror film star Count Bugosi, who may or may not be a real vampire.

Zack succumbs to Rhyme Disease after being bitten by a tick during a class trip to Central Park, which causes him to speak only in rhymes and to float like a helium balloon.