"Desperado Detectives--aka Mo Lo Beau and her best friend Dale, along with newly-appointed intern, Harm Crenshaw--must take on a new case when Dale's daddy goes on the lam just before his trial is about to start"--
Twelve-year-old Steve is investigating a diamond heist but the case suddenly changes when the author of the Bailey Brothers detective novels writes him a letter to say that he fears for his life.