Mental Puzzles With Answers: Doppelblock Puzzles - The Best Stress Relief Puzzles [Large Print]

By Rebecca Howell

Doppelblock ("Double Block") consists of a square grid. The goal is to blacken two cells in each row and each column. The remaining white cells must be filled with the digits from 1 to N-2, where N is... This description may be from another edition of this product.

• Format: Paperback
• Large Print: Yes
• Language: English
• ISBN: 1720015945
• ISBN13: 9781720015949
• Release Date: September 2018
• Publisher: Independently Published
• Length: 116 Pages
• Weight: 0.40 lbs.
• Dimensions: 0.3" x 6.0" x 9.0"