Continents adrift and continents aground : readings from Scientific American / with introductions by J. Tuzo Wilson. - San Francisco : W. H. Freeman, c1976. - 230p.: ill. - Scientific American. . Includes bibliographical references and index. ISBN: Subjects--Topical Terms: Continental drift-- Addresses, essays, lectures.Plate tectonics-- Addresses, essays, lectures. LC Class. No.: QE 511.5 SCI 1976 Dewey Class. No.: 551.1/3