This big printable puzzle book includes 60 number fill-ins so you will be guaranteed many hours of puzzling fun. Each puzzle appears on a separate page and the solutions are included at the back of the book. All sixty puzzles are drawn on 15 by 15 grids and average a little more than seventy numbers to fill in.

The page layout is optimized for filling ease and puzzling pleasure for people with average vision and manual dexterity. Number fill-ins are a great way to exercise your mind and your eyesight at the same time and we recommend the book for puzzlers of all ages.