This volume introduces the reader to the natural history and ecology of fresh-water environments: lakes, ponds, streams. This is a handy guide for exploring riverbanks and lakes across North America. Aimed at naturalists, anglers, birdwatchers, hikers, etc, it gives a serious explanation of the physics and chemistry of water followed by a description of the common flora and fauna of these environments. There is also basic information on canoeing, kayaking, snorkeling, suggested projects and activities and a lengthy appendix which lists national wildlife refuges which are ideal for observing fresh-water and shore life. The book should be of interest to naturalists, fishermen and sportsmen.