A whole lot of them. Adding to what's been mentioned: The Color Purple (Alice Walker) Look Homeward, Angel (Thomas Wolfe) Pipe Dream, Of Mice and Men and The Grapes of Wrath (John Steinbeck), Man of La Mancha (Miguel Cervantes), What Makes Sammy Run? (Budd Schulberg), The Life and Adventures of Nicholas Nickelby, Pickwick and A Tale of Two Cities (Charles Dickens), Breakfast at Tiffany's and The Grass Harp (Truman Capote), Lolita (Vladimir Nabokov), The Ballad of the Sad Cafe (Carson McCullers), Little Me (Patrick Dennis), The Caine Mutiny Court Martial (Herman Wouk)
Probably many more. Some musicals, some plays, some flops, some hits -- all shapes and sizes.