Challenging sudoku puzzles stimulate our brains and keep us feeling young! This sudoku book features one (big print) puzzle per page with room for notes and problem solving in a generous 8.5 x 11" format. You'll love the brain teasing struggle of every puzzle and then the satisfaction of solving it (I know you can do it! But the answers are in the back if you need them). This sudoku book comes with a brief overview and introduction to the puzzles just in case you're new to them, or it has been a while and you want to brush-up. These fresh, unique sudoku are individually numbered and presented in large print on clean, quality paper (not newsprint) in an easy-to-view layout. This sudoku book is a convienient standard letter size, and 'perfect bound' you can (if you want) tear out individual pages without effecting the remaining pages. A great solution for your daily sudoku 'fix'! This sudoku book is perfectly suitable for: anyone wanting to keep their brains in good shape seniors, elderly, care homes, recovery wards looking to support 'healthy aging' with a low-impact entertainment experienced or talented sudoku fans looking for a challenge, this sudoku book is 100% "medium" rating sudoku fans who commute or travel on bus, train, plane or ship (anywhere you might end up waiting). Sudoku are a type of logic puzzle, although they feature numbers, they aren't about math. If you haven't tried them before, they sound easy - each line must have the numbers 1 to 9 in it and so must each box BUT only one of each number! Try it, you'll be hooked. Thank you for considering our sudoku book. We are an independent business, proudly producing quality entertainment.