Mensa Sudoku Premier 500 (Korean Edition): Peter Gordon, Frank Longo: 9788964943236: Amazon.com: Books
Mensa® Guide to Solving Sudoku: Hundreds of Puzzles Plus Techniques to Help You Crack Them All: Longo, Frank, Gordon, Peter: 9781402740114: Amazon.com: Books
Mensa® Guide to Solving Sudoku: Hundreds of Puzzles Plus Techniques to Help You Crack Them All: Longo, Frank, Gordon, Peter: 9781402740114: Amazon.com: Books
Amazon.com: Mensa® Ultimate Brain Benders: 100 Puzzles to Improve Your Memory, Concentration, Creativity, Reasoning, and Problem-Solving Skills ( Mensa® Brilliant Brain Workouts): 9781510758841: Millar, David, Mensa, American: Books
Mensa® Guide to Solving Sudoku: Hundreds of Puzzles Plus Techniques to Help You Crack Them All: Longo, Frank, Gordon, Peter: 9781402740114: Amazon.com: Books