Laughing Boy (1934) Laughing Boy, is a Navaho from a remote part of the reservation, while Slim Girl was raised by whites in a town and lives as a white man's mistress. They meet at a pow-wow and marry, in spite of the disapproval of Laughing Boy's family. Slim Girl tries to be a good Indian wife, but is tempted to fall back on her old ways. The novel won the Pulitzer Prize for 1929.