BARBER, A. J., CROW M. J. & MILSOM J. S. 2005. Sumatra. Geology, Resources and Tectonic Evolution. Geological Society Memoir no. 31. ix + 290 pp. London, Bath: Geological Society of London. Price £85.00, US $153.00; GSL members' price £42.50, US $77.00; AAPG/SEPM/GSA/RAS/EFG/PESGB members' price £51.00, US $92.00 (hard covers). ISBN 1 86239 180 7

The 2004 Boxing Day earthquake and the terrible effects of the subsequent tsunami placed Sumatra firmly in every geologist’s mind and graphically demonstrated the power of SE Asian tectonics to the wider public. It might therefore seem prescient to have planned the publication of a memoir describing the geology of Sumatra for 2005. For the authors however, the timing was unfortunate – from the Preface it would appear that this substantial volume went to press in November 2004. However, the chapter dealing with Seismology and Neotectonics contains some late additions which provide a comprehensive summary of the information that became available immediately after the earthquake and has a note …