London: Cresset Press, 1952. Light yellowing to inner margin of front free endpaper, tape stain to rear free endpaper, else fine, no owner names, green top page edges unfaded. Dust jacket has a sticker stain to front panels; small tears, slight rubbing; dust soiling to rear panel; VG otherwise, flap price intact. First novel of Langton tetraology. This group of novels was his greatest achievement.