My top ten:

Warren /All the Kings Men
Steinbeck/The Grapes of Wrath
Salinger/The Catcher in the Rye
Hemingway/For Whom the Bell Tolls
Hemingway/The Sun Also Rises
Melville/Moby Dick
Cervantes/Don Quixote
Vonnegut/Cats Cradle
Heller /Catch 22
Hijeulos/The Mambo Kings Play Songs of Love