Brain Games - Number Fill-In Puzzles

Publisher: Publications International 

Spiral bound: 192

If you love number-based puzzles, this book will challenge you and provide hours of entertainment.

• Number fill-ins are solved through logic and process of elimination (no math involved), and are great for improving your powers of concentration. 
• Includes over 80 puzzles. 
• Puzzle grid on left page and number list on right, for plenty of room to work the puzzles. 
• Includes answer key in the back of the book. 
• Spiral-bound, 192 pages.