Levy, David H. David Levy's guide to the night sky / Guide to the night sky David H. Levy. - Cambridge, UK ; New York : Cambridge University Press, c2001. - xxii, 346 p. : ill. ; 25 cm. Previous ed. published as: The sky : a user's guide, 1991. Includes bibliographical references and index. ISBN: 0521797535 (pbk.) Subjects--Topical Terms: Astronomy--Amateurs' manuals.Astronomy--Observers' manuals. Dewey Class. No.: 523 / L668