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 This is the definitive book of Sudoku strategies and a "must have" for every logic puzzle enthusiast. Everything you'll ever need to know about solving Sudoku is here in one volume. Packed with schemes that explain the how, where and why of Sudoku solving, The Logic of Sudoku will allow you to tame even the most recalcitrant puzzles. Andrew C Stuart is the one of the world's foremost experts in Sudoku strategy and well as a designer of many new logical puzzles published in newspapers around the world. Many years of work have now been concentrated into a volume that is designed for the Sudoku enthusiast. The Logic of Sudoku is written in everyday language and includes numerous tutorials and examples that will engage any Sudoku fan for many happy hours.
 256 Pages 58 Sudoku Strategies explained 1 Year in production 196 illustrations and diagrams, 68 exercises and puzzles Specific Jigsaw and Killer Strategies Solve any Tough, Diabolical or Extreme Own it Secure payment by PayPal %25 off postage!
 For those who own the book a Resources Page exists with addenda and links to the solver for the examples used in the book. Subjects Covered Known and Unknown in Sudoku How Many Sudoku Puzzles Are There? What Is the Minimum Number of Clues? Logical Strategies and Trial and Error 2. Starting Out 3. Naked Pairs 4. Naked Triples 5. Naked Quads 6. Hidden Pairs 7. Hidden Triples 8. Hidden Quads 9. Pointing Pairs 10. Box/Line Reduction 11. The X-Wing Family 12. Swordfish 13. Jellyfish 14. Generalizing X-Wing 15. Seeing Is Believing 16. Simple Colouring (or Chains) 17. Multi-Colouring, Types 1 and 2 18. Y-Wing Strategy 19. XYZ-Wing Strategy 20. WXYZ-Wing Strategy 21. Y-Wing Chains 22. XY-Chain Strategy 23. Remote Pairs 24. Forcing Chains The Dual Forcing Chain The Triple Forcing Chain 25. X-Cycles Introducing Nice Loops Nice Loop Rule 1 Discontinuous X-Cycles Nice Loop Rule 2 Nice Loop Rule 3 26. Grouped X-Cycles 27. Alternating Inference Chains Grouped Alternating Inference Chains 29. Almost Locked Sets (ALSs) The Almost Locked Set XZ Rule 30. Almost Locked Sets in Chains 31. Finned and Filleted X-Wings The Sashimi Observation 32. Pattern Overlay Method 33. Fillet-o-Fish Strategy Filleting Generalized 34. Aligned Pair Exclusion Extended Aligned Pair Exclusion 35. Empty Rectangles 36. Sue-de-Coq 37. Death Blossom 38. Unique Rectangles Spotting the “Deadly Pattern” Type 1 Unique Rectangles Type 2 Unique Rectangles Type 2b Unique Rectangles Type 3 Unique Rectangles Type 4 Unique Rectangles Type 4b Unique Rectangles 39. The Hidden Unique Rectangle 40. Avoidable Rectangles Other Avoidable Rectangles 41. Bi-Value Universal Grave 42. Jigsaw Sudoku: The Law of Leftovers 44. Killer Sudoku 45. Cell Combinations Strategy 46. Innies and Outies 47. Cage Splitting

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