Lot of 2 Green & White Belt Kakuro Easy Not-So-Easy Martial Arts Puzzles Puzzle Books 2006: 300 entertaining puzzles in all. This lot consists of the following volumes: White Belt Easy Kakuro and Green Belt Not-So Easy Kakuro. PLEASE NOTE: Books may have slight cover wear, contents not affected. Your challenge: to use a combination of logic and basic math. Can you fill in the empty squares using the numbers 1 to 9? Keep in mind that the sum of each horizontal set of digits equals the number in the black triangle to its left, and the sum of each vertical set of digits equals the number in the black triangle above it. No repeats!