Books in Order: Absolutely Nasty® Series by Frank Longo
Titles List
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Gluttons for punishment rejoice! The popular series of ultrahard sudoku is back. Just when it seemed safe to go back into the puzzle section of the bookstore ... here comes another collection of the hardest sudoku known to humankind. The… Read More
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Gluttons for punishment rejoice! The popular series of ultrahard sudoku is back. Just when it seemed safe to go back into the puzzle section of the bookstore ... here comes another collection of the hardest sudoku known to humankind. The… Read More
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Gluttons for punishment rejoice! The popular series of ultrahard sudoku is back. Just when it seemed safe to go back into the puzzle section of the bookstore ... here comes another collection of the hardest sudoku known to humankind. The… Read More
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Gluttons for punishment rejoice! The popular series of ultrahard sudoku is back. Just when it seemed safe to go back into the puzzle section of the bookstore ... here comes another collection of the hardest sudoku known to humankind. The… Read More
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Level one—but absolutely not for beginners! This is the beginning of fans hard but satisfying solving journey. Read More
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Only hardcore kakuro devotees should dare enter here. For those who can, its head-exploding puzzle solving. Read More
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For solvers who have dared to come this far—congratulations! Your reward is the roughest, toughest kakuros ever put on paper. Good luck…youll need it! Read More
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On the second level, the clues are getting nastier—but the pleasure in completing these tricky puzzles is even greater. Read More
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Even more interaction—this time used in combination with other procedures…and a lot more heavily than in the first book. Read More
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The difficulty level soars, as even more tricks get added to the mix: X-Wing; Swordfish; XY-Wing; XYZ-Wing; and the Gordonian Rectangle. Read More
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The fun begins with subsets and interaction. Read More
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Top solvers can try their hand at the One-Sided Gordonian Rectangle; Extended Gordonian Rectangle; Gordonian Polygon; and Alternating Digits. (But they can take comfort in knowing that no more than one will occur in any single puzzle.) Read More
By the Author

Lotsa Cryptograms

Absolutely Nasty Sudoku: Even Nastier – Level 1

Absolutely Nasty Sudoku: Even Nastier – Level 2

Absolutely Nasty Sudoku: Even Nastier – Level 3

Absolutely Nasty Sudoku: Even Nastier – Level 4

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 the Weekend

Blockbuster Book of Sudoku

Way Beyond Black Belt Sudoku®

mental_floss Sudoku

Puzzlewright Guide to Solving Sudoku

The Nastiest Sudoku Book Ever

Beyond Black Belt Sudoku

Poolside Sudoku

Third-Degree White Belt Sudoku®

Third-Degree Brown Belt Sudoku®

Third-Degree Black Belt Sudoku®

Absolutely Nasty® Sudoku Level 2

Absolutely Nasty® Sudoku Level 3

Absolutely Nasty® Sudoku Level 1

Absolutely Nasty® Sudoku Level 4

Second-Degree Green Belt Sudoku®

Second-Degree Brown Belt Sudoku®

Second-Degree Black Belt Sudoku®
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