Hardy boys undercover brothers (graphic novels)

Frank and Joe Hardy, are assigned a fantastic case of stolen identity -- literally! Joy Gallagher claims another girl is now living her life, with her parents, and in her body! Is she insane? Is that why those men in white suits are after her? Or can her story actually be true?Featuring a special guest-appearance by Mr. Snuggles!Ages 8 to 12.

Frank, Joe and eight others find themselves locked in Bayport's new mall the night before it's opening and it seems there's a murderer locked in with them. Frank and Joe Hardy finish up a case helping a fellow ATAC (American Teens Against Crime) agent, whose sharp-eyed fans may recognize despite her Alias.Things seem to quiet down when ATAC sends Frank and Joe undercover to investigate a new Mall opening in Bayport, due to several suspicious accidents...

Frank and Joe are called in to keep murder off the menu at Manhattan's mysterious Jekyll and Hyde Club while a Sweet Sixteen party is talking place for the daughter of the Ambassador to Osyria.

Frank and Joe go undercover at a major skateboarding contest in Venice, California, to try to find out who is killing off the competition.