Josephine Lea Iselin is a photographer and installation artist. She has exhibited at The Yerba Buena Center for the Arts amongst others. She has a BA from Harvard and an MFA from San Francisco State. Her next book for Abrams will be "Leaves." Margaret W. Carruthers is the author of numerous Earth science books, including Pioneers of Geology: Discovering Earth's Secrets and Tsunamis. She holds a B.S. in Natural Resources from the University of the South and an M.S. in Geology from the University of Massachusetts - Amherst.