sentences:  After the two-part serialization of "The Domains of Koryphon" in "Amazing Science Fiction" in 1974, the novel was published in hardback with the new title "The Gray Prince" by Bobbs-Merrill in February 1975.A paperback edition of "The Gray Prince" was brought out by Avon in December of the same year.A second paperback edition was published by Coronet in May 1976, reprinted in 1982.