The Mystery of the Disappearing Man is a slightly used copy of an Adventure Boys Novella Paperback Book which was originally published in 2009.
 
STORY OVERVIEW: Seeing his father off in the middle of the night, bound on a mysterious trip to the Orient, Sammy Wang vows to watch over things at home. Including the family business. The Wang Detective Agency has operated out of San Francisco’s Chinatown for many years. Even at fourteen, it’s not too soon for Sammy to take an active role. Soon, Sammy is on his first real case, looking into a rash of mysterious break-ins happening around the city. The reward being offered is substantial. With the help of his friends, Sammy races to beat the police and other local detectives to the solution.