The Forager's Harvest: A Guide to Identifying, Harvesting, and Preparing Edible Wild Plants by Samuel Thayer
A guide to 32 of the best and most common edible wild plants in North America, with detailed information on how to identify them, where they are found, how and when they are harvested, which parts are used, how they are prepared, as well as their culinary use, ecology, conservation, and cultural history.