200 Difficult Sudoku Puzzles
Publisher: Lulu Press
Published: July 30, 2005
Language: eng
Format: Paperback
Number of pages: 128
ISBN-13: 9781411637429
Subjects: Brain teasers; Puzzles; Games; Games / Gamebooks / Crosswords; Games/Puzzles; Sudoku
First sentence: If you haven't solved many Sudokus before you may find some of the Sudokus in this book somewhat impossible.