Title: Will Shortz Presents Holiday Sudoku: 300 Easy to Hard Puzzles, Author: Will Shortz
Title: Will Shortz Presents Sudoku for Christmas: 300 Easy to Hard Puzzles, Author: Will Shortz
Title: Will Shortz Presents The Super-Colossal Book of Sudoku: 300 Wordless Crossword Puzzles, Author: Will Shortz
Title: Why and How Sudoku in Schools: A Low-Tech Tool to Train Brain Gain, Author: Jerry Martin
Title: Will Shortz Presents Backyard Sudoku: 300 Easy to Hard Puzzles, Author: Will Shortz
Title: The Big Book Of Sudoku: 800 Puzzles in 4 Levels, Author: William Brown MD
Title: Will Shortz Presents 1,001 Sudoku Puzzles to Do Right Now, Author: Will Shortz
Title: Sudoku Strategy: Using number sets to solve difficult puzzles mentally, Author: Gino Cox
Title: Sudoku A Game of Mathematicians 640 Puzzles Easy and Normal Difficulty, Author: Kelly Johnson
Title: Sudoku A Game of Mathematicians 640 Puzzles Medium to Hard Difficulty, Author: Kelly Johnson
Title: Will Shortz Presents Supreme Sudoku: 1000 Wordless Crossword Puzzles, Author: Will Shortz
Title: Sudoku A Game for Mathematicians 1600 Puzzles Very Easy to Hard Difficulty, Author: Kelly Johnson