The Vanishing Thieves

When Chet Morton's cousin, Vern, has his new car stolen in Bayport, it adds another layer to an already perplexing case. A rare and valuable coin has vanished from his uncle's bank vault, prompting Vern's journey to California to find it. The Hardy Boys, Frank and Joe, must now tackle a double mystery and face increased danger as they head to the West Coast to investigate these sinister events.