Girandola Sudoku: 250 Medium to Hard Extra Region Sudoku Puzzles (Sudoku Girandola): Mindful Puzzle Books: 9781655589744: Amazon.com: Books
Sudoku 3x3 50 Easy Large Print Puzzles: One Puzzle Per Page: Puzzles, Insignia: 9781520472478: Amazon.com: Books
Funtastic Puzzles - 200 Normal Level Sudoku Triathlon B Puzzles - Sudoku Triathlon B #1: Normal Level Sudoku Triathlon B Puzzles for Sudoku Puzzle Solvers Who Want a Challenge: Puzzles, Funtastic: 9798632712804: Amazon.com: Books
Color Sudoku For Adults: No Numbers Just Colors - 3x3 Box Format: Aenigmatis: 9781717778161: Amazon.com: Books
Sudoku for Adults: Challenges for beginners and the experienced - 9x9, 12x12 and 16x16: Martin, Lloyd: 9781677225347: Amazon.com: Books
Sudoku 200 Puzzles Medium Large Print: Sudoku Math Puzzle Book for Adults, Large Print for Seniors: Ireland, Costello: 9798673187654: Amazon.com: Books
Hard Sudoku Nr.1: 480 puzzles with solution: Dyzamora, From: 9781692104214: Amazon.com: Books
Amazon.com: Brain Games - Sudoku #1: 9781605531731: Publications International Ltd., Brain Games: Books
Amazon.com: SUDOKU:500*Sudoku Puzzles(Easy,Medium,Hard,VeryHard)(SudokuPuzzleBook)(Volume83): *"sudoku puzzle books" - crossword and word finds kappa in puzzle book: 9781544614663: Lopez, Champ: Books
Incredibly Hard Sudokus: Adult activity book 3X3 and 4X4 X-sudoku, Jigsaw sudoku, Killer sudoku X-sudoku+jigsaw+killer sudoku! With the solutions as QR code near every sudoku!: Biscardi, Nicola: 9798644897605: Amazon.com: Books
SUDOKU Super Challenge Very Hard Puzzle Book: Jing, Lee, Pugh, C D: 9781533274908: Amazon.com: Books
Sudoku Puzzle Books Easy To Hard: Puzzle Book For Kids And Parents, Easy-Medium-Hard Sudoku For Beginner.: Publishing, Green Spring: 9781691783106: Amazon.com: Books
Sudoku Puzzle Books Easy To Hard: Let's Play: Easy-Medium-Hard Sudoku For Beginner, Puzzle Book For Adults and Kids.: Publishing, Green Spring: 9781692213138: Amazon.com: Books
Twodoku Double Sudoku 3 x 3 Overlap Level 5: Very Hard Vol. 27: Play Sensei Sudoku With Solutions 9x9 Nine Numbers Grid Hard Level Volumes 1-40 Cross ... Puzzles Challenge For All