Second printing of first edition. Black cloth-covered boards, gilt titles to spine; 245 pages including index and an Appendix, ‘How Short Wave Radio Works’. Some example chapter headings: The Strategy of War by Radio, Radio’s Battle of France, Berlin’s Radio Traitors, The Mighty Voice of the Kremlin, U.S. Radio’s ‘Good Neighbour’ Policy. Condition: A little bumped, some rubbing to the boards, internally clean and unmarked. The war-time paper is age-darkened but not brittle.