Book 4 in the Cities in Flight series. 3rd Printing. Publisher's glossy pictorial wraps. 12mo. 158 pp. Former owner's initials on fep, else very good. GOOD. By internal chronology, the fourth book of the Cities in Flight series. Issued later in Britain as A Clash of Cymbals (1959) [Barron AW, 3-4][. Presents the breathtaking climax of the series about cities in space (made possible by the 'Spindizzy' anti-gravity device) - [Pringle Ultimate SF, 387-8]. . Mass Market Paperback. 12mo - over 6¾" - 7¾" tall