The Hardy boys, undercover brothers / Lobdell, Scott

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

Frank and Joe Hardy go undercover at an international spelling bee where a killer known only as the Hangman is targeting competitors.

Frank and Joe go undercover to discover why teen seamen on an old fishing boat keep going missing.

A graphic novel in which Frank and Joe Hardy, Callie, and Iola must recover the Ocean of Osyria, an art treasure taken from a Middle Eastern museum, in order to save their best friend, Chet, who has been accused of stealing it.