Books in Order: Sudoku U by Frank Longo
Titles List
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We’ll school you in sudoku! Find your grade, improve your play—and graduate to the next level. Sudoku professor Frank Longo has crafted five books with 300 sudoku each, which will take students from solving basics to super-hard, super-expert strategies. Try… Read More
By the Author

Skill Builder Sudoku: Easy to Medium

Skill Builder Sudoku: Medium to Hard

Skill Builder Sudoku: Hard to Expert

Pause for Puzzles: Sudoku for Mindfulness

Sudoku Puzzles for a Road Trip

Sudoku Puzzles for the Weekend

Blockbuster Book of Sudoku

The Peaceful Mind Book of Sudoku

Way Beyond Black Belt Sudoku®

Sudoku Puzzles for Vacation

Sudoku U: Senior Year

mental_floss Sudoku

Puzzlewright Guide to Solving Sudoku

The Nastiest Sudoku Book Ever

Beyond Black Belt Sudoku

Poolside Sudoku

Third-Degree Brown Belt Sudoku®

Third-Degree Black Belt Sudoku®

Third-Degree White Belt Sudoku®

Absolutely Nasty® Sudoku Level 3

Absolutely Nasty® Sudoku Level 4

Absolutely Nasty® Sudoku Level 2

Absolutely Nasty® Sudoku Level 1

Second-Degree Black Belt Sudoku®

Second-Degree Brown Belt Sudoku®

Second-Degree Green Belt Sudoku®
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