Unlike other logic puzzle books, every puzzle includes statistics - such as the average completion time, the record completion time, and the percentage of people to complete the puzzle - to bring out the competitor in each puzzler and better inform them on how easy or difficult each puzzle is.?Features 200 grid-based logic puzzles?Includes puzzles statistics for added excitement?Ideal for kids and adults

    The collection ranges from early games right up to newly invented games. The rules of all games are explained lucidly, and the tactical advice given is explicit.

    The definitive guide!