Christmas Sudoku Puzzles - Stop and Smell the Crayons
Christmas tree Sudoku: a puzzle celebration with 15 overlapping Sudoku grids
Christmas Sudoku Puzzle Book for Adults: 108 Easy to Very Hard Christmas Sudoku Puzzle Games with Solutions| Perfect Christmas Gift Idea for Sudoku Game Lover: Pason, Anirudh: 9798778851832: Amazon.com: Books
merry Christmas Sudoku Puzzle book: Medium Large Print Sudoku Puzzles games Book for Adults with Solutions: Perfect Present for Christmas cards, Easte (Paperback) | Books and Crannies