So far there is Vol. 1 and Vol. 2.
Volume 1 covers atmoshere, continents, oceans, seasons, climates, latitude/longitude, vocanoes, earthquakes, plate tectonics.
All the ch. have hands on stuff, and it is written in an engaging style.
Vol. 2 focuses on the Holy Lands. it covers Turkey, Israel, Egypy, Iraq, Saudi Arabia, and Jordan. It will talk about the geography, people, art, culture of those areas.
Cheri