1956. 4th Edition. 266 pages. Paperback book with pictorial cover. Black and white illustrated plates to centre of book. Binding remains firm. Pages and plates are lightly tanned throughout. Tears to some pages, text remains unaffected. Paper cover has moderate edgewear with small tears and creasing. Slight curling to corners. Sticker to rear cover. Light tanning to spine and edges. Book has rolled spine.