The Times Bumper Book of Su Doku - 20th Anniversary Edition, 300 Puzzles Selected by Puzzle Master Wayne Gould

300 hand-picked puzzles from the world's Su Doku Master. Su Doku took the world by storm when Wayne Gould published his first series of puzzles in The Times. Marking 20 years and more since this publishing phenomenon Wayne has hand-selected 300 of his original puzzles for this special collection. The ideal gift for every fan of Su Doku.