Additional Details ------------------------------ Product description: The complete OCTAVO edition of John James Audubon's "Quadrupeds of North America" has been reproduced in exact detail on this multimedia CD-ROM. Study the orginal litographs, read Audubon's complete text, or search for you specific information. The collection has been enhanced throuh CD-quality animal sounds provided courtesy of the Cornell Laboratoy of Natural Sounds As the authoritative text on North American mammals, this the perfect reference for nature enthusiasts, students and collectors of fine art.