200 Kakuro (or Cross Sums) puzzles, ranging in size and difficulty from easy 3x3 puzzles to monster 28x36 puzzles. Comes with answers and solving tips.

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

A fun collection of Sunday-size crosswords from The Wall Street Journal, appearing for the first time in book form--edited by Mike Shenk, a legend among puzzle

This book contains AI Escargot, the world famous sudoku puzzle which became the most difficult sudoku puzzle known in 2006. There are also several hints for sol

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