Author: Lisa Ryan-Herndon
Publisher: Scholastic Paperbacks (64 pages)
Reading level: Ages 9 to 12
Release date: August 1, 2004

Description: Robin's always been the unofficial leader of the Teen Titans. Even though he doesn't have superpowers, he's daring, able to make quick decisions, smart, and skilled in the martial arts. He's also got a fully-loaded utility belt to help him out of the tough situations he and the team face. But sometimes, even Robin needs help.Help Robin solve one of his toughest cases using the clues and information that he's amassed in his Case Files. There's room for you to write questions-and answers-puzzles to solve, codes to decode, and a surprising answer at the end.

Author: Lisa Ryan-Herndon
Publisher: Scholastic Paperbacks (64 pages)
Reading level: Ages 9 to 12
Release date: November 30, 2004

Description: Join Robin and the Teen Titans as they tackle on of their toughest cases ever! Slade's back and he's trying to defeat the Titans. His last plan didn't work, but that won't stop this super-villian. Can the Titans put the pieces together in time to stop? Make the case with the Teen Titans!