JOSIE ISELIN is a photographer, writer, and book designer with six previous books to her credit, including Beach Stones and The Curious World of Seaweed. She holds a BA in visual and environmental studies from Harvard University and an MFA from San Francisco State University. Her writing and art focusing on seaweed and kelp put her at the forefront of ocean activism, collaborating with scientists and environmental groups working to preserve the kelp forests of the Pacific Coast. Her work is on view at www.josieiselin.com. She lives and works in San Francisco, where she walks the beach often.