Hardcover. NY, Greenwillow, 3rd Pr., 1978, Book: Very Good, Dust Jacket: Very Good, Hardcover in a bright dust jacket, 217 pages. Library Edition with spine sticker (NOT EX-LIB). Young adult science fiction novel, the first in a trilogy, and at the time one of the few novels for young readers in the genre to feature black characters and by a black author. The book won a Coretta Scott King honor in 1979.