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Frank Longo

About the Author

Frank Longo is a freelance puzzle creator living in Hoboken, NJ. He has had over 2,000 puzzles published since 1993. Longo has written many books for Puzzlewright Press, such as Pause for Puzzles: Sudoku for Mindfulness, Blockbuster Book of Sudoku, Way Beyond Black Belt Sudoku, and the Skill Builder Sudoku series (with Peter Gordon), as well as many crossword books. His books have combined sales of more than five million copies.

Lotsa Cryptograms

Lotsa Cryptograms

Absolutely Nasty Sudoku: Even Nastier – Level 1

Absolutely Nasty Sudoku: Even Nastier – Level 1

Absolutely Nasty Sudoku: Even Nastier – Level 2

Absolutely Nasty Sudoku: Even Nastier – Level 2

Absolutely Nasty Sudoku: Even Nastier – Level 3

Absolutely Nasty Sudoku: Even Nastier – Level 3

Absolutely Nasty Sudoku: Even Nastier – Level 4

Absolutely Nasty Sudoku: Even Nastier – Level 4

Skill Builder Sudoku: Easy to Medium

Skill Builder Sudoku: Easy to Medium

by Peter Gordon, by Frank Longo

Skill Builder Sudoku: Medium to Hard

Skill Builder Sudoku: Medium to Hard

by Peter Gordon, by Frank Longo

Skill Builder Sudoku: Hard to Expert

Skill Builder Sudoku: Hard to Expert

by Peter Gordon, by Frank Longo

Pause for Puzzles: Sudoku for Mindfulness

Pause for Puzzles: Sudoku for Mindfulness

Sudoku Puzzles for the Weekend

Sudoku Puzzles for the Weekend

Blockbuster Book of Sudoku

Blockbuster Book of Sudoku

Way Beyond Black Belt Sudoku®

Way Beyond Black Belt Sudoku®

mental_floss Sudoku

mental_floss Sudoku

Puzzlewright Guide to Solving Sudoku

Puzzlewright Guide to Solving Sudoku

by Frank Longo, by Peter Gordon

The Nastiest Sudoku Book Ever

The Nastiest Sudoku Book Ever

Beyond Black Belt Sudoku

Beyond Black Belt Sudoku

Poolside Sudoku

Poolside Sudoku

Third-Degree White Belt Sudoku®

Third-Degree White Belt Sudoku®

Third-Degree Brown Belt Sudoku®

Third-Degree Brown Belt Sudoku®

Third-Degree Black Belt Sudoku®

Third-Degree Black Belt Sudoku®

Absolutely Nasty® Sudoku Level 1

Absolutely Nasty® Sudoku Level 1

Absolutely Nasty® Sudoku Level 4

Absolutely Nasty® Sudoku Level 4

Absolutely Nasty® Sudoku Level 2

Absolutely Nasty® Sudoku Level 2

Absolutely Nasty® Sudoku Level 3

Absolutely Nasty® Sudoku Level 3

Second-Degree Green Belt Sudoku®

Second-Degree Green Belt Sudoku®

Second-Degree Brown Belt Sudoku®

Second-Degree Brown Belt Sudoku®

Second-Degree Black Belt Sudoku®

Second-Degree Black Belt Sudoku®