London: Herbert Jenkins Limited, 1922. First Edition, First Printing. Hardcover. First Edition. Octavo, original green cloth titled and blocked pictorially in darker green. 312 pp +  pp ads at rear. Old heraldic bookplate on front endpaper [Ex Libris V.Y. Smart, B.A., Montreal, Que]. Cloth a trifle soiled, a very good bright copy. Very Good. Item #310528
¶ "Humorous science fantasy novel of some elderly gentlemen who essay to regain their youth by receiving gland transplants from gorillas" - Locke, A SPECTRUM OF FANTASY .