Yes, you read it right. The Sudoku puzzles in this book are diabolical because they're very difficult. You will have to spend some time to figure out the patterns and identify what numbers fit the grids. But the time you spend solving the puzzles will never go to waste because you're preparing yourself to become a much more effective problem solver. Grab a copy today.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.