Mick Powis describes the novel threat posed to the British war effort by the raids of German airships, or Zeppelins, and the struggle to develop effective defen

Fortæller om luftskibene, der blev anvendt under 1. verdenskrig, om deres indsats og kampen imod dem.

Page xiv (blank on the first edition), printed as a footnote to the Introduction on the second edition. "Since the first edition went to press two more Zeppelin