Project Blue Book, the United States Air Force's study of Unidentified flying objects
NYPD Blue | book | Toronto Blue Jays | American comic book | Manhattan Project | Domesday Book | Blue Peter | National Book Award | Book of Genesis | Book of Exodus | Book of Common Prayer | Blue | Blue Ridge Mountains | children's book | Book of Revelation | The Jungle Book | Project Runway | Blue Öyster Cult | Blue Note Records | Golden Book of Cycling | Project Mercury | Blue Heelers | Pokémon Red and Blue | Winnipeg Blue Bombers | Blue Nile | Human Genome Project | Book of Isaiah | The New York Times Book Review | The Blair Witch Project | Project Gemini |