Publisher's Synopsis
This great book contains 476 difficult sudoku puzzles, perfect for those who have been in the sudoku puzzle madness for a while! Make yourself or your family and friends happy! Sudoku is not only fun, but also stimulates the brain. The solutions are mirrored on the same page. So the search on the last pages is finally over. You will soon be a SUDOKU MASTER! More series in all levels of difficulty will follow.