<p/><br></br><p><b> About the Book </b></p></br></br><b>This book includes 210 never-before-seen killer Sudoku of a progressive level of difficulty, complete with an introduction and full solutions. It is guaranteed to provide hundred of hours of puzzling enjoyment.<p/><br></br><p><b> Book Synopsis </b></p></br></br><p><b>Test your wits against 210 difficult previously unpublished killer sudoku puzzles in the first book in the new Guardian puzzle book series.</b></p> <p><i>The Guardian</i>'s killer sudoku puzzles are enjoyed by hundreds of thousands of people every day. While only a minimal level of mathematical knowledge is needed, all of your logical reasoning will be required to solve these brand-new puzzles. The puzzles have been designed to increase in difficulty as the book progresses, meaning this book can be enjoyed by novice and master alike.</p>
Cheapest price in the interval: 9.99 on October 22, 2021
Most expensive price in the interval: 9.99 on November 8, 2021
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