London: Frederick Muller Ltd, . Large octavo, pp. [1-4] 5-14  16-112, 45 full page drawings, eight in color, by R. A. Smith, original black boards stamped in gold. First edition. Fourth book (third for adults) on rockets and space travel. The only edition that prints the color plates: all the plates in the 1954 Harper edition are printed in black and white. Ciancone 47. Ley, Rockets, Missiles, and Space Travel, revised edition, 1957, p. 497.