Sudoku Anti-Diagonal 16x16 - de Facil a Experto - Volumen 2 - 276 Puzzles by Nick Snels
Mega Sudoku 16x16 Puzzle Grandi - Facile - Volume 57 - 276 Puzzle (Italian Edition): Snels, Nick: 9781512108668: Amazon.com: Books
Sudoku Mega 16x16 Impresiones con Letra Grande - De Fácil a Experto - Volumen 34 - 276 Puzzles (Volume 34) (Spanish Edition): Snels, Nick: 9781512328981: Amazon.com: Books