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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: Even Nastier - Level 1 (Paperback Book) (2026)

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

Release May 28, 2026

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

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

Release May 28, 2026

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

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

Release May 28, 2026

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

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

Release May 28, 2026

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

Absolutely Nasty® Sudoku Level 2 (2026)

Release April 16, 2026

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

Absolutely Nasty Sudoku Level 3 ... (2026)

Release March 24, 2026

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

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

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

Third-Degree Black Belt Sudoku® (2009)

Cover for Frank Longo · Absolutely Nasty® Sudoku Level 4 (Spiral Book) (2007)

Absolutely Nasty® Sudoku Level 4 (2007)

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

Second-Degree Black 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)