1956. 4th Edition. 205 pages. Blue pictorial dust jacket over grey cloth. Black and white photographs. Prize plate to front endpaper. Pages are clean and bright, and appear almost good as new. With minimal tanning throughout. Binding has remained firm. Boards are a little rub worn, slight shelf wear to corners, spine and edges. Corners are a little bumped. Spine ends are mildly crushed. Light tanning to spine and edges. Slight forward lean to text block. The unclipped dust jacket has heavy edge wear, tears and chips. Moderate tanning to spine and edges. Moderate loss to jacket edges and corners.