Book excerpt: Rich in nutrients, used in products from cosmetics to explosives to fertilizers, and vital to our coastal marine ecosystems, seaweeds can be found on any rocky shore or beach in the Pacific Northwest. The pocket-sized Field Guide to Seaweeds of the Pacifc Northwest is packed with full-colour photos and information on a select variety of the most important and interesting seaweeds commonly encountered on the West Coast. Whether you want to identify seaweeds, better understand their role in the ocean, forage for food, collect for art or you're just plain curious as you poke around the seashore, this educational guide is your ultimate source for casual phycological fun.