Most Popular Books by Dan Greenburg

The author''s memoirs as a skeptic investigating the paranormal and the history of occultism. "This book is the delightful, irreverent, often spooky record of his discoveries."-back flap.

After Zack opens his medicine cabinet one morning and sees a boy who could be his double staring back at him, he enters a parallel universe.

The Zack Files #28.

The Zack Files #8.

Zack takes home from the local animal shelter a scruffy tomcat who not only talks but claims to be the reincarnation of Zack''s Great-Grandpa Julius.

When Cody is 14, he runs away from home, leaving behind his abusive mother, and flees across the country. He doesn’t stop until he hits Texas and the Sam Houston Tiger Ranch. Under the guidance of Sunny, the ranch’s owner, he cares for the animals in ways he never imagined. He feeds them a diet of raw, bloody meat. He cleans out their cages. He takes them for exercise. He finds out how to get a tiger to back down, and when he should back down himself. But there is another lesson Cody has to learn—sometimes people are harder to handle than tigers.

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.

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.

Wally and Cheyenne Shluffmuffin fall back into the clutches of the show-tune happy Hortense Jolly at the Jolly Days Orphanage in this seventh book of the deliciously disturbing Dripping Fang series. Illustrations.

The Zack Files #29.

After an electrifying experiment in science class gives Zack a shock, he realizes that he can read other people''s minds.

In Central Park, Zack and his dad encounter an alien who has lost his spaceship, which has been towed because it was illegally parked.

The Zack Files #25.

A generous North Pole teenager named Santa Claus discovers his calling in life when he borrows his father''s sleigh to deliver presents to good children on Christmas Eve.

How does an innocent summer vacation become a nightmare? How does a sensitive fourteen-year-old boy, left in the custody of a seductive governess and an enigmatic chauffeur, become initiated into sex, blackmail and murder? How does an affluent Chicago suburb become a place where the dead climb out of their graves at night and frighten the living out of their wits?"

Zack is forced to share his body with a bossy, British queen who has been dead for almost one hundred years.

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