A real whodunit with a puzzling solution. First, read about the weekend climbing party that ended when one of the members suddenly dropped out. If it wasn't an accident, where's the proof? Match wits with Professor Thomas Ponder as he races to uncover the truth before becoming the next victim.

Next, assemble the 1000 piece puzzle to discover the clues that will lead you to the solution. Climb the mountain of mystery to the summit of truth, but watch that first step.

Includes a 1000-piece puzzle and story booklet.

Completed puzzle measures 23" x 29".