Billie B. Brown and her friends, Jack, Mika and Alex, have decided to start a Secret Mystery Club and scour the neighborhood looking for mysteries to solve and clues to uncover.
In Stolen Stash, Billie and the Secret Mystery Club are investigating their most serious mystery yet. Someone has taken something from the principal's office at school! Who would have done such a terrible thing? And when one of Billie's friends becomes a suspect, will Billie even know who to trust anymore?
