Ali Baba's Book Series on: Artistic Flags - Book Two: Asia. Europe. Oceania

Amazingly, one can arrange numbers 1 through 6 to arrive at so many different combinations of 6-digit numbers. Similarly, just a few colors such as blue, red, white, green, black, and yellow have been used to represent over 200 countries. All flags are distinct with respect to their colors and arrangements yet their shared colors symbolize the shared values of their people and customs. In this boo...