Stone, Josephine Rector GREEN IS FOR GALAXY
New York: Atheneum/An Argo Book, 1980. 0689307373 / 9780689307379 First edition, first printing. Hardcover. Very fine, as-new, in full green cloth with blue stamping; in a fine, as-new, if faintly age-toned, illustrated dust jacket.
X-Blue-One was a killer android, whose mind had been patterned after the mind of a telepathic child. The android had one flaw--the child's love for music had not been wholly eliminated. The creature knew that its song had been taken from it.