The Constant Sinner and Diamond Lil by author Mae West.

The Constant Sinner was originally released as Babe Gordon, it was reissued with a new title based on a contest sponsored by the publisher in which 4,673 suggestions were submitted. The novel follows an unscrupulous Babe Gordon comfortable with using her beauty to manipulate.

Both novels were published in the 1930s and were made into Broadway productions.