Download or read book Pocket Sudoku: Medium to Hard Level - a Compact and Travel-Friendly Sudoku Puzzle Book, Only 4x6 Inches in Size! written by Patel Puzzle Books and published by . This book was released on 2015-06-17 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book features the following: -200 puzzle grids -Medium and hard level puzzles, arranged in order of difficulty -A compact, convenient book binding for easy commuting -Simple instructions -All solutions Sit back, put your feet up, and get ready to relax with this great collection of Sudoku puzzles guaranteed to bring a little piece of joy to your daily life. So what are you waiting for? Grab yourself a copy!(Hint: This collection also makes a great gift to the Sudoku fanatic in your life!) Pssst...one more thing. Did you know the American Alzheimer's Association has endorsed Sudoku as a "brain game" that might help to reduce risk of dementia as we get older? That's what we call a "win win" in the business!