200 Kakuro (Cross Sums) puzzles in a range of sizes from easy 3x3 puzzles up to monster 23x31 puzzles. With solutions and solving hints.

Kakuro has already become more popular than Sudoku in Japan, delighting millions with its blend of total simplicity and devilish complexity. Book Two contains 2

Test your powers of logic and mental agility with this mixed collection of 500 number and logic puzzles from the MindGames section of the Times. Puzzles include

From the author of the bestselling The Ordnance Survey Puzzle Book. ARE YOU AS BRIGHT AS THE BEST? Try puzzles from the world puzzle championships, where teams

Game designers today are expected to have an arsenal of multi-disciplinary skills at their disposal in the fields of art and design, computer programming, psych