London, Gollancz, 1967. First edition, first impression. Hardback. A very good copy. Winner of the 1967 Nebula Award, along with the excellent Flowers for Algernon. A little toning to the spine and top inch, crushed tear to the lower spine, 40mm tear to rear fold, and another 10mm tear to the top. A little offsetting to the endpapers and the number five inked to the endpaper. Some spotting to the pastedowns. [9530, Hyraxia Books].