Cusack, Michael. What's beyond? : solving mysteries in space / Michael Cusack. - New York : Scholastic, c1984. - 102 p. : ill. ; 20 cm. Includes index. ISBN: 0590327399 9780590327398 Subjects--Topical Terms: Astronomy.Outer space--Exploration. LC Class. No.: QB 46 / C984w 1984 Dewey Class. No.: 523 / Cus