WORLD OF SUDOKU CONTAINS 120 HANDCRAFTED SUDOKUS WITH EIGHT DIFFERENT VARIANTS LIKE ODD EVEN SUDOKU , THERMO SUDOKU , KILLER SUDOKU CONSECUTIVE PAIRS SUDOKU , A

WORLD OF SUDOKU CONTAINS 120 HANDCRAFTED SUDOKUS WITH EIGHT DIFFERENT VARIANTS LIKE ODD EVEN SUDOKU , THERMO SUDOKU , KILLER SUDOKU CONSECUTIVE PAIRS SUDOKU , A

This is the fourth book in the series World Of Sudoku. The first three books focused on the different variants of sudoku. This book contains 120 handcrafted cla

If you're an experienced sudoku puzzle solver looking for a real challenge, then the World's Hardest Sudoku Book: 200 of the World's Toughest Sudoku Puzzles (Vo

Looking for another SuDoku challenge? These 234 Quad (also known as Hyper) puzzles provide an extra source of puzzle-meant, in 5 difficulty levels-from Easy to