Auntie Mame by Patrick Dennis
Based on his party-throwing, out-of-control aunt, Patrick Dennis's story defined in 1955 what Americans now know as "camp." However, before Vanguard Press picked it up, 15 other publishers rejected it. Within years, Auntie Mame would not only become a hit on Broadway but a popular film as well. Dennis became a millionaire and, in 1956, was the first author in history to have three books simultaneously ranked on The New York Times best-seller list.