Will Shortz Presents Sleepy Sudoku: 200 Easy to Hard Puzzles: Shortz, Will: 9781250118899: Amazon.com: Books
Will Shortz Presents...: Will Shortz Presents Keep Calm and Sudoku on : 200 Easy to Hard Puzzles (Paperback) - Walmart.com
Will Shortz Presents Extra Hot Sudoku: 200 Hard Puzzles: Hard Sudoku Volume 1 (Paperback) | Vroman's Bookstore
Will Shortz Presents Mind-Melting Sudoku: 200 Cranium-Crushing Puzzles by Will Shortz, Paperback | Barnes & Noble®
Will Shortz Presents Fireside Sudoku: 200 Easy to Hard Puzzles: Easy to Hard Sudoku Volume 1 (Easy to Hard Sudoku, 1): Shortz, Will: 9781250148056: Amazon.com: Books