1957. No edition stated. 254 pages. Illustrated jacket over grey cloth. Map endpapers. Pages have deckled edges. Upper text block edge green. Pages have slight foxing, tanning and minor thumbing. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Boards a little rubbed and marked overall. Slight silverfish nibbling. Clipped jacket has some edgewear with chips, tears and creasing. Jacket is slightly rubbed and marked overall. Pronounced silverfish nibbling to edges.