Prayer & You: Wit & Wisdom by Mary Hill Fsp

The University of California Press has published Mary Hill's books Geology of the Sierra Nevada (1975) and California Landscape: Origin and Evolution (1984), both of which are accessible in paperback. She is a coauthor of Mount St. Helens Volcanic Eruptions of 1980. Helens: The First 100 Days was released in 1982. She was the editor of the periodical California Geology for many years before becoming the Western Area Information Officer for the United States. Adjunct Professor of Geosciences at San Francisco State University and member of the Geological Survey.