Vernon, R. H. Beneath our feet : the rocks of planet Earth / Ron Vernon. - Cambridge, UK ; New York : Cambridge University Press, 2000. - viii, 216 p. : ill. (some col.) ; 26 cm. Includes bibliographical references (p. 205-206) and index. ISBN: 0521790301 (hardback) LCCN: 00-023666 Subjects--Topical Terms: Minerals.Rocks. LC Class. No.: QE431.2 / .V47 2000 Dewey Class. No.: 552