Sharpen your mind and memory with these fun and challenging number puzzles. Find out why so many people get hooked on solving these little mysteries with this intermediate medium level Sudoku puzzle book. This more challenging level will hone your powers of deduction. Great for relaxing while still testing your powers of logic, memory and perseverance. Inside you will find 300 classic Sudoku puzzles, with four puzzles per page. Solutions are provided at the end of the book. We have also added 20 free bonus hard puzzles designed to build your skills even further! Plus links to bonus free printable puzzles.
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.