This is a great one. It examines why the civilization developed various ways in different places. How come that Cortez conquered central America? Why did not Montezuma conquer Spain?
Guns, Germs, and Steel: The Fates of Human Societies
book by Jared Diamond
Another interesting book is:
Lies My Teacher Told Me About Christopher Columbus: What Your History Books Got Wrong
book by James W. Loewen