Sudoku Fiendish, Volume 2

Sudoku Fiendish, Volume 2

for $ 4.54

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Sudoku Fiendish Volume 2 book contains total of 228 very hard puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. This book was designed for more advanced sudoku players. Each individual puzzle has a single unique solution based on logical strategies and no "guessing" or "Trial & Error" are required. Please note that this is an EBook and you should be able to print your puzzles and it is not an interactive game.