About the BookWhile staying at his Aunt Kathryn's, Evan is forbidden to enter one of the rooms. But he just to find out what's behind that door! So one day he takes a look - and discovers an old, dusty can of "Monster blood" that's starting to grow and has one heck of an appetite!
- Genre: Horror
- Theme(s): Children's
- Author: R. L. Stine
- Publisher: Scholastic Paperbacks
- ISBN: 0439568390
Papercover Release North America Sep 1, 2003