Synopses & Reviews
Here's the biggest and most exciting book of sudoku puzzles ever compiled. Over 400 new puzzles designed to satisfy all levels from beginner to expert are featured, with all kinds of challenges, all levels of difficulty, and more varieties of number-placement (and letter-placement) puzzles than any other collection available.
About the Author
Nathan Haselbauer is the founder of the International High IQ Society and confirmed sudoku