This is a study of the collaborative creation behind literary works that are usually considered to be written by a single author. Although most theories of interpretation and editing depend on a concept of single authorship, many works are actually developed by more than one author. Stillinger examines case histories from Keats, Wordsworth, Coleridge, Mill, and T.S. Eliot, as well as from American fiction, plays, and films, demonstrating that multiple...