At a comic convention, a boy picks up an issue showcasing an oozy villain named the Glob. But then the cover starts to swirl. Slime drips out. The Glob is free from the pages of the comic book, and it's hungry! This looks like a job for the greatest hero of all . . . the Librarian! Uncover hidden dangers and dark mysteries with Secrets of the Library of Doom, a page-turning chapter book series from bestselling author Michael Dahl.