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

Binding Type: Spiral
Publisher: Publications International, Ltd.
Published: 12/01/2020
ISBN: 9781645581536
Pages: 192
Weight: 0.80lbs
Size: 9.10h x 7.30w x 0.60d