Superstring Theory - Green, Michael B. (University of Cambridge) a Schwarz, John H. (California Institute of Technology) a Witten, Edward (Institute for Advanced Study, Princeton, New Jersey)

Originally published at the height of the first revolution in string theory, these two volumes went on to define the field. Volume 1 provides a self-contained introduction to superstrings. Featuring a new preface, this book is invaluable for graduate students and researchers in general relativity and elementary particle theory.