The Owls of North America, North of Mexico: All the Species and Subspecies Illustrated in Color and Fully Described
by: Eckert, Allan W.; Karalus, Karl E.

Hardcover. NY, Doubleday, 1st trade, 1974, Book: Very Good, Dust Jacket: None, Hardcover in a lightly worn slipcase. First trade edition limited to 3000 copies. 278 pages with 58 color plates plus many drawings by Karl Karalus, text by Allan Eckert. Clean copy.