History announced a direct order for 10 episodes of the UFO drama Blue Book Blue Book, written by David O'Leary and adapted from a realistic US Air Force research program set in the 1950s and 1960s. At that time, there was an upsurge of UFO in the United States, and the US Air Force set up the Blue Book Program / Project Blue Book to conduct related research in order to investigate UFO. The show tells the story of a clever college professor, J. Allen Hynek, who is recruited by the Air Force to handle thousands of unsolved cases in the Blue Book program. Each episode quotes real cases, combining the UFO incident with the mysterious history of the United States.