Afer a dying criminal confesses that his loot has been stashed 'in the tower' the Hardy Boys make an astonishing discover.

The Hardy brothers must dismantle a dangerous crime gang in this first book of a fresh approach to a classic series. Teenagers Frank and Joe Hardy are supposedly "retired" from their detective work. But there is a new myste...

Brother detectives Frank and Joe face perils in the wilderness as they try to track down their missing teacher in this thrilling Hardy Boys adventure. As part of a research unit, Bayport High's Green Environment Conservation Club (GE...