- History, exploration and creation of the Park
- Modern plate-tectonic setting of the Alaska Peninsula
- Rocks described from oldest to youngest
- Interpretations geologists have given to origins of rock units in the Park
- Geologic road log
- Valley of Ten Thousand Smokes
- Geologic time scale
Even readers who have not had a geology course will learn fascinating natural history by using the explanations in the text and the definitions of geologic terms in the appendix.