This sudoku book are suitable for who need "BIG" Size only.
Feature:
Jumbo size 8.5*11 inchBig font and better-quality paper than newspapers200 Puzzle Hard - Extreme1 Page per questionAnswers at the end of the bookGift:
For older who have Presbyopia because its big (Hyperopia, Hypermetropia, Farsightedness)For children who want a headache