Pause for Puzzles: Sudoku for Mindfulness
KNYGA Hugh Jassburn 52 Things to Do While You Poo: The Sudoku Puzzle Book
KNYGA Eric Saunders The Kew Gardens Large Print Book of Sudoku
KNYGA Guardian Killer Sudoku 1, A collection of more than 200 challenging puzzles
KNYGA Roland Hall Ninja Sudoku Challenge, Over 200 puzzles to do anywhere, anytime
KNYGA Tim Dedopulos Killer Sudoku, Put your feet up and enjoy nearly 200 puzzles
KNYGA The The Guardian Guardian Killer Sudoku 2, A collection of more than 200 formidable puzzles


