3rd Edition, Revised. 493 pages. This is an ex-Library book. Quarter bound brown leather with brown cloth covered boards. Black and white photographic plates throughout. Ex-Library copy, with expected inserts and inscriptions. Slight cracking to hinges, with exposed netting, pages remain attached. Pages and plates have light tanning and foxing throughout. Water staining to some pages, text remains unaffected. Boards have heavy shelf-wear with bumping to corners, crushing to spine ends and rub wear all over. Light tanning to spine and edges. Wear marks overall.