Frank Longo
Books
- Double Black Diamond Sudoku
- Scrabble-Doku
- GUÍA MENSA PARA RESOLVER SUDOKUS
- The Brainiac's Puzzle Book
- Fertilization
- Second-Degree White Belt Sudoku
- Absolutely Nasty Sudoku, Level 5
- Large Print Sudoku #4 No. 4
- The Sudoku code
- 1,036 puzzels super sudoku
- Help! Our Children Are Overweight!
- Pause for Puzzles
- GUÍA MENSA PARA RESOLVER SUDOKUS
- Simple Sudoku (2012, Fall River Press)
- Sinister Sudoku
- Second-Degree Black Belt
- Poolside Sudoku
- Sit and Solve Tough Sudoku
- Sudoku à emporter
- Second-Degree Green Belt Sudoku (Dollar Tree)
- Sudoku Challenges
- Sudoku Puzzlefest (Sterling Innovation)
- 10 X 10 Sudoku
- Blockbuster Book of Sudoku
- Peaceful Mind Book of Sudoku
- Everyday Sudoku
- Oy vey!
- Ultra sudoku - N° 3
- Brain Aerobics Wordoku 2
- Pointer Crosswords
- Sudoku Puzzles for a Road Trip
- Sit and Solve Simple Sudoku
- Bunny Slope Easy Sudoku
- Sudoku Ninja
- Way Beyond Black Belt Sudoku®
- 1036 Extreme Sudoku Challenges
- Challenging 30-Minute Crosswords
- Fertilization
- World's Longest Crossword Puzzles
- Sudoku U
- Bizarre Crossword Variants
Author data: Open Library