Big Book of Su Doku Book 1 -

A massive 300 sudoku puzzles packaged in a stylish paperback - this is the perfect sudoku gift book for adults of any age. With a mix of 100 easy, 100 medium and 100 hard puzzles, the 9 x 9 grids are each arranged on their own page and solutions are easily found in the back of the book. Printed in a highly portable format.