Mystery of Death Trap Mine (PocketBook)

Screams rang out from the abandoned mine. Plunging down a corridor, the boys found their friend Allie, trembling and pointing into a deep dark pit. At the bottom was something that looked like a heap of old clothes. Then, in the flickering torchlight, they saw what had once been a hand - a human hand... 

Explosions in the night, armed prowlers and a long-forgotten corpse lead the three Investigators on a terrifying quest to catch ruthless crook. But the final piece of the Jigsaw is missing.