Odhams Press Ltd, London, 1963, New Frontier series, First UK edition. Hardback, bound in light green cloth, illustrated on front cover with picture of a Conestoga wagon in prairie country, title in brown ink; 12mo., 127 pp, numerous illustrations by Carol Rogers, including a map of trails in front and rear end-papers. D/J illustrated in colour with image of Conestoga wagon. Book condition: VG, light browning on end-papers, otherwise tight and clean, no inscriptions. D/J condition: Good, creasing to top and bottom of front, top of spine frayed, not price-clipped.