Sam Graham is a mystery man. But when there are no mysteries to solve, Sam comes up with a plan to find one in this hilarious fourth chapter book in the Sam the Man series from Frances O'Roark Dowell.Sam Graham loves solving mysteries. After successfully solving the mystery of Annabelle's lost sock, Sam decides to make mystery-solving his main hobby (after tending the chickens, of course). He recruits his best friend Gavin and a couple of their classmates for a detective club, and together they're ready for any mystery that comes their way. There's a problem though…there are no cases to solve! So, Sam comes up with a plan: They'll take the most interesting things in the lost and found and try to find out who lost what. But who could a locked box, a very long stuffed snake, and a red jacket belong to? And how will Sam and his friends find them? And…why does that jacket smell so bad?!?