When the vast empire of Alexander the Great broke up, the Macedonian general Seleucus secured the lion's share for himself and went on to become the longest-lived of Alexander's successors. His tactical skills and his military innovations -- including his use of war elephants on a scale never seen before in the West -- earned him the epithet Nicator, 'victorious'. When he died at the hands of an assassin in 281 BC, Seleucus ruled over a larger territory than any Hellenistic monarch before or since his time, stretching from the Mediterranean to the Indian Ocean. This book is a study of his life and achievements, his time and his legacy. It is based on Graeco-Roman and Babylonian written sources as well as on the rapidly growing body of archaeological evidence. Lise Hannestad is professor emerita of Classical Archaeology at Aarhus University. Her main research areas are the Near East in the Hellenistic period, the Etruscans and Black Sea archaeology.