Before airplanes took flight, Zeppelins were the greatest mode of travel. Invented by Count Ferdinand von Zeppelin, these giant 'air ships' had been used safely for years before the Hindenburg tragedy. Read and learn about the Hindenburg air Zeppelin, the history behind it, how it was built, and what happened on that infamous day (May 6, 1937) and how to this day it remains a mystery as to why it exploded. Recommended for ages 8 to 12. Includes original photographs and maps, plus a timeline of events.