Sudoku Formula 3: Killer Puzzles

Unlike the masses of puzzles-only books, or books that only briefly show how to solve Sudoku, this is the first in-depth look for both casual and expert daily players that shows how to unlock the most difficult puzzles--and provide greater enjoyment and results.
S "udoku Formula 3" has more than [...]
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Unlike the masses of puzzles-only books, or books that only briefly show how to solve Sudoku, this is the first in-depth look for both casual and expert daily players that shows how to unlock the most difficult puzzles--and provide greater enjoyment and results.
S "udoku Formula 3" has more than 100 pages worth of puzzles including easy-to-follow move-by-move solution examples. Snyder explains simple techniques for discovering patterns like "x-wings," "swordfish," "slipknots," and "cycles," that unlock the most difficult expert-level puzzles quickly and easily, plus 200 new brain workouts. Snyder shows players solutions to conquer the puzzles--using the same approach that has made him a bestseller in the field of gaming.