In The Jungle: Solve lots of wild brain-crunchers on an Amazon adventure

You're on the ancient Inca Trail when suddenly you fall into a steep valley - you're trapped Solve a chain of puzzles that plot your escape route. You'll face...
multi-level mazes
letter and numerical problems
codes and encrypted messages
...and more. Then use your answers to clinch a final challenge. Devised by an expert on brain training these mental gymnastics are a brilliant life-saver You can't skip a challenge but there are hints to help full answers and a reward