Featuring a huge number of Jigsaw Sudoku puzzles, all carefully sorted into order of increasing difficulty, this unique collection of 200 puzzles is full of attractively-designed challenges from best-selling puzzle author Dr Gareth Moore, author of many international books. Jigsaw Sudoku replaces the regular 3x3 boxes of normal Sudoku with twisting, irregular jigsaw shapes, resulting in a much trickier puzzle. Printed on large, top-quality paper ideal for solving on, the 200 Jigsaw Sudoku puzzles vary in difficulty from easy to hard so whatever your preference or experience you'll always find a puzzle here to suit you. Visit www.PuzzleBooks.org for a full list of other titles in this series.