NY: The Citadel Press, 1958. First American edition, following the UK edition of 1956. Viii, 188pp.; index. 8vo. Light blue textured paper boards; dark blue spine titles; dust jacket. Toning to board and textblock edges; a few spots of insect soiling to textblock top. Jacket with wear and chipping to spine ends, moderate toning. Very good in a good (+) jacket. An account of the author's nine saucer sightings over North Wales, with speculations as to why "those who pilot the Space Ships" chose Great Britain as their point of contact.
