Zoe Bennett feels invisible at school. That is to everyone but the weird new kid, Lucas, who thinks Zoe's a code-reading genius. She read a single cipher in his notebook, and now he won't leave her alone. When cryptic, anonymous notes appear in students' lockers, Zoe becomes a suspect.

Solving Zoe 2010, Aladdin Paperbacks, New York, NY

ISBN-13: 9781416991595

Reprint edition

Trade paperback

Solving Zoe 2009, Margaret K. McElderry Books, New York, NY

ISBN-13: 9781416961284