Size: 160mm x 200mm x 16mm / Paperback / 288 pages 250 Mixed Puzzle Collection - The Ultimate Collection for Puzzle Addicts of Abilities 250 Mixed Puzzle Collection offers a fantastic assortment of mixed puzzles and is bursting with brain-teasing fun. This book boasts an eclectic selection of 250 puzzles - ranging from criss cross and sudoku to dominoes and bridge mazes. Doing them will keep your brain well exercised and improve your mental focus.