Detective brothers Frank and Joe must solve another intriguing mystery in the fifth book in the interactive Hardy Boys Clue Book series.
Frank and Joe are excited for the class trip to Bayport Bear Park. When they arrive, the entire class is greeted with a beautiful sight: a pile of prizes and goodies in the middle of the room! Their guide, Marnie, explains that they will be split into teams to complete a scavenger hunt through the park....

A yearly high-stakes poker game between childhood friends turns into chaos when the tech billionaire host unveils an elaborate scheme to seek revenge for the ways they've betrayed him over the years. But as his plans unfold, a group of thieves hatches plans of their breaking into the mansion thinking it is empty. The old friends quickly band together and the years of playing the game help them win their way through a night of terror.