1988. 298 pp. Hardcover in near fine condition with dust jacket. Spotting to text block. Helm identification series. A concise review of all waterfowl that enables anyone, from beginner to advanced field worker, to identify waterfowl. 47 color plates by Hilary Burn. Unique combination of scientifically accurate information and an easy-to-use format. Over 700 birds illustrated in color with distribution maps.