Book IV 2-41 of the Thucydides: History of the Peloponnesian War concerns the events of the campaign fought at Pylos and the island of Sphacteria between the Athenians and the Spartans in 425 BC. J.B. Wilson's much cited edition includes a Greek text and translation, followed by supplementary tets. The bulk of the volume consists of historical and topographical notes analysing in detail the events of the campaign based on both close textual analysis of Thucydides account, and first hand experience of the geography of the area.