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Releases by Frank Longo

Cover for Frank Longo · Mental_floss Sudoku: It's the Brain Candy You've Been Craving! (Paperback Book) (2026)

Mental_floss Sudoku: It's the Br... (2026)

Release July 28, 2026

Cover for Frank Longo · Absolutely Nasty® Sudoku Level 3 (Paperback Book) (2026)

Absolutely Nasty® Sudoku Level 3 (2026)

Release May 28, 2026

Cover for Frank Longo · Absolutely Nasty Sudoku: Even Nastier - Level 1 (Paperback Book) (2026)

Absolutely Nasty Sudoku: Even Na... (2026)

Cover for Frank Longo · Absolutely Nasty Sudoku: Even Nastier - Level 2 (Paperback Book) (2026)

Absolutely Nasty Sudoku: Even Na... (2026)

Cover for Frank Longo · Absolutely Nasty Sudoku: Even Nastier - Level 3 (Paperback Book) (2026)

Absolutely Nasty Sudoku: Even Na... (2026)

Cover for Frank Longo · Absolutely Nasty Sudoku: Even Nastier - Level 4 (Paperback Book) (2026)

Absolutely Nasty Sudoku: Even Na... (2026)

Cover for Frank Longo · Absolutely Nasty® Sudoku Level 2 (Paperback Book) (2026)

Absolutely Nasty® Sudoku Level 2 (2026)

Cover for Frank Longo · Great Book of Sudoku (Paperback Book) (2024)

Great Book of Sudoku (2024)

Cover for Frank Longo · Pause for Puzzles: Sudoku for Mindfulness (Paperback Book) (2023)

Pause for Puzzles: Sudoku for Mi... (2023)

Cover for Frank Longo · Sit & Solve Simple Sudoku - Sit & Solve® Series (Paperback Book) (2022)

Sit & Solve Simple Sudoku - Sit ... (2022)

Cover for Frank Longo · Sit & Solve Tough Sudoku - Sit & Solve® Series (Paperback Book) (2022)

Sit & Solve Tough Sudoku - Sit &... (2022)

Cover for Frank Longo · Sudoku Puzzles for a Road Trip: 77 Puzzles for Kids on the Go! - Puzzlewright Junior (Paperback Book) (2022)

Sudoku Puzzles for a Road Trip: ... (2022)

Cover for Frank Longo · Sudoku Puzzles for the Weekend: Relax & Kick Back with 77 Challenging Puzzles (Paperback Book) (2022)

Sudoku Puzzles for the Weekend: ... (2022)

Cover for Frank Longo · Blockbuster Book of Sudoku (Paperback Book) (2022)

Blockbuster Book of Sudoku (2022)

Cover for Frank Longo · Peaceful Mind Book of Sudoku - Peaceful Mind Puzzles (Paperback Book) (2021)

Peaceful Mind Book of Sudoku - P... (2021)

Cover for Frank Longo · Large Print Wordoku (Paperback Book) (2021)

Large Print Wordoku (2021)

Cover for Frank Longo · Help! Our Children Are Overweight! (Paperback Book) (2021)

Help! Our Children Are Overweight! (2021)

Cover for Frank Longo · Way Beyond Black Belt Sudoku (R) - Martial Arts Puzzles series (Paperback Book) (2019)

Way Beyond Black Belt Sudoku (R)... (2019)

Cover for Frank Longo · Sudoku Puzzles for Your Backpack - Puzzlewright Junior Sudoku (Paperback Book) (2019)

Sudoku Puzzles for Your Backpack... (2019)

Cover for Frank Longo · Sudoku Puzzles for a Road Trip - Puzzlewright Junior Sudoku (Paperback Book) (2019)

Sudoku Puzzles for a Road Trip -... (2019)

Cover for Frank Longo · Sudoku Puzzles for Vacation (Paperback Book) (2018)

Sudoku Puzzles for Vacation (2018)

Cover for Frank Longo · Sudoku U: Sophomore Year (Paperback Book) (2018)

Sudoku U: Sophomore Year (2018)

Cover for Frank Longo · Sudoku U Junior Year (Paperback Book) (2018)

Sudoku U Junior Year (2018)

Cover for Frank Longo · Sudoku U: Senior Year (Paperback Book) (2018)

Sudoku U: Senior Year (2018)

Cover for Frank Longo · Sudoku U: PhD in Sudoku (Paperback Book) (2018)

Sudoku U: PhD in Sudoku (2018)

Cover for Frank Longo · No-sweat Sudoku - Sit & Solve (Paperback Book) (2013)

No-sweat Sudoku - Sit & Solve (2013)

Cover for Frank Longo · Extreme Sudoku (Paperback Book) (2012)

Extreme Sudoku (2012)

Cover for Frank Longo · Samurai Sudoku Challenge (Paperback Book) (2012)

Samurai Sudoku Challenge (2012)

Cover for Frank Longo · The Nastiest Sudoku Book Ever (Paperback Book) [Csm edition] (2012)

The Nastiest Sudoku Book Ever (2012)

Cover for Frank Longo · Beyond Black Belt Sudoku: If you have to ask, it's too hard for you. (Paperback Book) (2011)

Beyond Black Belt Sudoku: If you... (2011)

Cover for Frank Longo · Third-Degree Black Belt Sudoku® (Paperback Book) (2009)

Third-Degree Black Belt Sudoku® (2009)

Cover for Frank Longo · Third-degree White Belt Sudoku® (Martial Arts Puzzles Series) (Paperback Book) [Csm edition] (2009)

Third-degree White Belt Sudoku® ... (2009)

Cover for Frank Longo · Third-degree Brown Belt Sudoku® (Martial Arts Puzzles Series) (Paperback Book) (2009)

Third-degree Brown Belt Sudoku® ... (2009)

Cover for Frank Longo · Second-Degree Black Belt Sudoku® (Paperback Book) (2005)

Second-Degree Black Belt Sudoku® (2005)

Cover for Frank Longo · Second-degree Green Belt Sudoku® (Martial Arts Puzzles Series) (Paperback Book) (2005)

Second-degree Green Belt Sudoku®... (2005)

Cover for Frank Longo · Second-degree Brown Belt Sudoku® (Martial Arts Puzzles Series) (Paperback Book) (2005)

Second-degree Brown Belt Sudoku®... (2005)

Cover for Frank Longo · Fertilization (Paperback Book) [2 Rev edition] (1997)

Fertilization (1997)