400 Futoshiki Sudoku All Levels and Hitori Puzzles.: 9x9 Futoshiki Easy to Ve... 9781792889295 | eBay
9781712241608: Activity Book for Smart Kids: 500 Logic Puzzles (Sudoku, Fillomino, Kakuro, Futoshiki, Hitori, Slitherlink, Killer Sudoku, Calcudoku, Sudoku X, ... :: Age 6-10 (Logic Puzzles for Kids Series) - AbeBooks - Alzamili, Dr. Khalid: 1712241605
Large Print Logic Puzzles: 100 Medium Variety Puzzles (Kakuro, Samurai Sudoku, Battleships, Hakyuu, Minesweeper, Hitori, Samurai Jigsaw Sudoku, F (Large Print / Paperback) | Murder By The Book