This Medium Sudoku Puzzle Book Volume 4 has been designed for fun for all ages and can be played by children, adults and senior citizens alike - suitable for all intermediate sudoku puzzle lovers . Perfect for stimulating the mind and improving reasoning skills, this book contains 200 medium difficulty level sudoku puzzles with solutions for each of the puzzles. A 'Beginners Guide' is included providing valuable tips for solving the puzzles. Whatever your age, you'll love this Medium Sudoku Puzzle Book This puzzle book is an ideal challenge for the intermediate Sudoku player and will provide hours of puzzling fun and enjoyment.