Brett Halliday (July 31, 1904 – February 4, 1977), primary pen name of Davis Dresser, was an American mystery writer, best known for the long-lived series of Michael Shayne novels he wrote, and later commissioned others to write. Dresser wrote non-series mysteries, westerns and romances under the names Asa Baker, Matthew Blood, Kathryn Culver, Don Davis, Hal Debrett, Anthony Scott, Peter Field, and Anderson Wayne.