Can You Master These Challenging Sudoku Puzzles? The perfect book for veterans of these popular conundrums, Sinister Sudoku will provide a sly, absorbing test for even the best, most proficient experts. It starts with advanced puzzles that are more difficult than might be expected before moving on to sudoku that could crush even the most stalwart of solvers. You’ll go crazy for these super-engaging brain bafflers!
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About the Author
Frank Longo is a freelance puzzle creator living in Hoboken, NJ. He has published nearly 100 sudoku books. He is known for producing puzzles that are diabolically difficult yet fair, requiring the solver to use advanced techniques not found in typical newspaper and magazine sudoku puzzles.