Mexican Birds: Field Marks of All Species Found in Mexico, Guatemala, Belize, and El Salvador, 50th Anniversary Edition (Roger Tory Peterson Field Guides)
by Roger Tory Peterson; Edward L. Chalif

Shelf and handling wear to cover and binding, with general signs of previous use. Boards betray fading and nicks and other signs of wear and imperfection commensurate with age. Binding remains tight and structurally sound. Erstwhile owner's bookplate on inside front cover; interior pages absent any extraneous marks. Sealed in plastic for shipping. Secure packaging for safe delivery.