Each puzzle can be solved by nothing more complex than simply scanning the 15 rows, 15 columns and 15 5x3 boxes, without having to make any pencil mark notes. Guessing is never needed, and there is a guaranteed unique solution.
Visit www.PuzzleBooks.org for a full list of other titles in this series.
Publisher: Createspace Independent Publishing Platform
Age Range: NA - NA years
Grade Level: NA - NA
Format: Paperback | 114 Pages
Product Dimension (L x W x H): 27.99 x 21.59 x 0.61 CM
Shipping Weight: 0.28 Kg