London: Chatto and Windus, 1928. First Trade Edition. Octavo (21.5cm.); original cloth in white decorative dust jacket printed in red and black; ,322pp. Light wear to jacket and cloth extremities, jacket spine a bit toned, light foxing to both panels and textblock edges, else Very Good or better. First novel in a series of six "theological science fiction" works (cf. David Ayers and Adam Hanna, Wyndham Lewis and Western Man (1992) p. 99), published between 1928 and 1955.