Franklin W. Dixon is the author of the ever-popular Hardy Boys books.

Santy Gutierrez resides in the seaside city of La Coruña, Spain. He has won acclaim as the Best Spanish Young Editorial Cartoonist and Best Galician Caricaturist, among others.

Detective brothers Frank and Joe Hardy are on the case when a sea star goes missing during their school field trip to the Bayport Aquarium.