Sudoku Extremely Hard: Very Hard Sudoku Puzzle Book Compact & Travel-Friendly: Only 5 X 8 Inches In Size 184 Extremely Difficult Puzzles With Solutions Pocket Sudoku Book For Adults
Ganafoul (Jack Bon, Jean Yves Astier, Bernard Antoine) : Full Speed Ahead, Nothing More, I'M A King Bee, Dealing Your Love, For The Show, Rock Gutter, King Size Killer, Trying Son Hard, Far From Town
Pocket Sudoku: Compact & Travel-Friendly Puzzle Book | Only 4 X 6 Inches In Size | 200 Easy To Hard Sudoku Puzzles For Adults With Solutions At The Back | Small In Size, Big In Fun