Downloaded from http://sp.lyellcollection.org/ by guest on September 30, 2021 The Earth Inside and Out: Some Major Contributions to Geology in the Twentieth Century edited by David R. Oldroyd (University of New South Wales, Sydney, Australia) This volume is a collection of papers on the history of twentieth century geology, of which eight were presented at a Symposium organized by the International Commission on the History of Geological Sciences (INHIGEO) for the International Geological Congress at Rio de Janeiro in 2000. The book offers a conspectus of selected developments of twentieth century geology. It has grown from largely a field discipline, chiefly concerned with rocks at the Earth's surface, to one that extends to the planet's interior, and to space beyond. New ideas, instruments, and techniques have extended the scope of earth science to the macro and the micro. Theories abound. One paper raises some of the social and political problems faced by modern geology. The volume is intended as a prolegomenon to some future synthetic understanding of twentieth century earth sciences. It should appeal to a wide range of geoscientists and historians of science. 9365 pages 9over 100 illustrations; several in colour 9 15papers 9index Visit our on-line bookshop: http://bookshop.geolsoc.org.uk Cover illustration: 'Spaceship Earth'. Earthrise above the lunar horizon, photographed by the astronauts of ISBN 1-86239-096-7 the Apollo 8 mission as they emerged from behind the Moon on Christmas Eve, 1968. On the Earth, northwestern Africa (red-brown, lower right) has just emerged into daylight while the full Sun is reflected in the Atlantic Ocean (above centre) (NASA photograph). IILJ!I!!H!IIUU!I![[, .