This volume contains three works which were published separately over the last 2 years: The Acanthaster phenomenon (published in Oceanography and marine biology, an annual review, during 1986, v. 24, p. 379-480), Acanthaster planci, an annotated bibliography (published as a technical report of the Crown-of-thorns study, during 1986), and The Acanthaster phenomenon, subject index (published as a technical report of the Crown-of-thorns study, in June 1987).