Everyone knows sudoku is enjoyable--but these addictive puzzles come in endless variations too! They range from simple to very difficult, and can take almost no

This is the third book in the series World Of Sudoku. The book contains 120 handcrafted sudokus covering classic sudokus and eight fun and exciting variants whi

This specific puzzle book contains a top-quality variety of sudoku puzzles which are guaranteed to challenge you in the best way possible. This book contains 18

Keep your mind young and your memory sharp with 450 Sudoku Variety Puzzles Book. Scientific research has shown that solving logic puzzles as Sudoku keeps your m

Sudoku Variants Collection Puzzle Books (Volume 1) This book comprises three sudoku variants: killer sudoku, even-odd sudoku and chain sudoku. And each variant