Solve and Unwind Sudoku - Eric Saunders - Bog

Take some time to relax and unwind with this excellent collection of sudoku puzzles in a lay-flat format. Solving puzzles is an excellent way to give your mind a workout while allowing you to switch off from everyday worries and cares. Set across a number of difficulty levels you can jump in at a place of your choosing, or work your way through the book seeing your skills improve as you go!