There are 500 number and logic puzzles to test your mental agility in this collection from the MindGames section of The Times, featuring seven different types of puzzle challenge. The perfect gift for all number and logic puzzle enthusiasts, this collection contains these favorites: - Brain Trainer - 72 mental maths challenges - Cell Blocks - 96 Japanese logic puzzles - Futoshiki - use the numbers 1-5 to fill in the 72 grids - Kakuro - 64 mathematical crossword puzzles - KenKen - 72 arithmetical logic puzzles - Set Square - 72 mental arithmetic grids - Suko - 96 espresso Su Doku puzzles