 It was headed for its doom in a way that the Titanic wasn't. I mean, we didn't know that that was going to go down. I mean, you could have said that this was very likely going to go down. The book is His Majesty's Airship, the Life and Tragic Death of the World's Largest Flying Machine. S.C. Gwynn, Sam Gwynn is the author. I'm John Batchelor. You're listening to CBS Eye on the World with John Batchelor.