Special edition. Two volumes bound in blue fabric in slipcase. A bookplate signed by RTP is included for each volume. Volume I: Eastern Birds and Volume II: Western Birds. Oversize volumes with enlarged and unlabelled versions of his field guide plates, with matching captions printed on facing pages. Bumped lower corners, affecting the slipcase and both volumes.
Roger Tory Peterson, one of the world's greatest naturalists, received every major award for ornithology, natural science, and conservation, as well as numerous honorary degrees, medals, and citations, including the Presidential Medal of Freedom. The Peterson Identification System has been called the greatest invention since binoculars, and the Peterson Field Guides are credited with helping to set the stage for the environmental movement.