Time to answer our four-letter Geo Quiz now.

And who better to turn to for the answer than the author of the book "The Four Letter Countries: The Zany Adventures of the Alphabet Traveller."

The Four-Letter Countries

So David Jenkins --- Let's get the answer out on the table....name the four letter countries for us:

Oman, Togo, Peru, Mali, Laos, Chad, Cuba, Fiji, Iran, and Iraq

So, there are 10 altogether.