When the actor who plays popular comic character Morpho the Morph Monster comes to town for a fan day--along with his famous Morpho Mask and Morph Spork--everyone, including Frank and Joe, is excited to meet the man behind the mask. But at the event, Morpho's Spork goes missing! And until the Spork is returned, the entire event will be put on hold! It's up to Frank and Joe to crack the case--and return the Spork to its rightful owner!

A Monster of a Mystery 2011, Aladdin, New York, NY

ISBN-13: 9781416991663

Trade paperback

A Monster of a Mystery 2011, Turtleback Books, New York, NY

ISBN-13: 9780606154208

Bound for Schools & Libraries edition