Evil Sudoku 12 x 12 Puzzle Book: 150 Difficult Puzzles for the Ultimate Logic Challenge: Books, ZigZag Puzzle: 9781086486223: Amazon.com: Books
Large 12x12 Killer Sudoku: Media, Clarity: 9781540768346: Amazon.com: Books
Large Print Sudoku 12x12 - 100 Hard Puzzles: Vey Difficult Sudoku Variant - Different Style of Sudoku Puzzle Book for Adults (Large Print Sudoku Variants): Hammond, Oliver: 9798702417677: Amazon.com: Books
Logical book. Killer sudoku. Chain puzzles. Hard - extreme levels.: For adults. (Killer sudoku and his friends): Holmes, Basford: 9781088514573: Amazon.com: Books
Puzzles for Brain - Mega Killer Sudoku 400 Hard to Expert Puzzles 12x12 vol.10: Rodriguez, Alexander: 9781095520864: Amazon.com: Books
Jigsaw Sudoku 12x12 Large Print - Easy to Extreme - Volume 20 - 276 Puzzles: Snels, Nick: 9781502903402: Amazon.com: Books
Sudoku Irregular 12x12 Versão Ampliada - Fácil ao Extremo - Volume 20 - 276 Jogos (Portuguese Edition): Snels, Nick: 9781514224885: Amazon.com: Books
Sudoku 12x12 - 106 cuadrículas en blanco: 1 cuadrícula por página; 21,6 x 27,9 cm; 8,5" x 11"; Papel blanco; Números de página; Number Place; Nanpure; 12 x 12 Plantilla de Puzle (
Jigsaw Sudoku 12x12 300 East to Exstreme Puzzles: Sudoku Puzzle Book for Adults (Volume): Lam, Oliver: 9781654256517: Amazon.com: Books
Super Sudoku 12x12 - Medio - Volume 17 - 276 Puzzle (Italian Edition): Snels, Nick: 9781512071290: Amazon.com: Books
Killer Sudoku 12x12 Large Print - Easy to Hard - Volume 17 - 276 Puzzles: Snels, Nick: 9781502779472: Amazon.com: Books
Master of Puzzles - Sudoku 12x12 200 Hard Puzzles vol.3: Lee, James: 9781672624435: Amazon.com: Books
Puzzles for Brain - Sudoku X 200 Easy Puzzles 12x12 vol.17: Rodriguez, Alexander: 9781095526132: Amazon.com: Books