What's so fascinating about puzzles? Nearly everyone can be intrigued to solve a riddle or a puzzle and try them out on their friends. This collection of puzzle... » 

What's so fascinating about puzzles? Nearly everyone can be intrigued to solve a riddle or a puzzle and try them out on their friends. This collection of puzzles from the acclaimed puzzlemaster NOB covers a wide variety of puzzles from physical to visual, conceptual to mathematical. «