This book contains 100 Cros Sums created by LOGI, the leading Polish puzzle publisher. Inside you will find 100 puzzles different sizes, from 9x13 till 18x26, different difficulty levels.
How to solve? Into white fields insert numbers from 1 to 9. White numbers in black fields are the sums of the inserted numbers (e.g. 23 = 9 + 6 + 8). The numbers cannot repeat within one sum. Solve free cross sums at http://www.wydawnictwologi.pl/krzyzowki-logiczne ...
You easily download any file type for your gadget.100 Cross-sums Puzzles (Volume 1) | LOGI Puzzles. I really enjoyed this book and have already told so many people about it!
