60 books • 9 series
Caribbean Primary Science Teacher's Guide 2 (Caribbean Primary Science)
Physical Geography
The Appalachian Regional Commission
Industrial Change (Case studies in the developed world)
Regions and Regionalism in the United States (The Contemporary United States)
North America
Earth, Past Present and Future
The Earth's Changing Surface
Earth, the Living Planet
Geological Map Exercises
Reading Geological Maps
A New Geology (New School S.)