The Fourth Book of Thucydides is a revised edition of the original text by the author, Thucydides. Published in 1889, this book aims to illustrate the principal causes of corruption in the manuscripts of the author. Thucydides was a Greek historian and political philosopher who chronicled the Peloponnesian War between Athens and Sparta. The Fourth Book of Thucydides is a continuation of his work, detailing the events of the war from 425 to 424 BC. This revised edition includes a critical analysis of the manuscript tradition of Thucydides’ work, highlighting the errors and inconsistencies that have crept in over time. The author’s aim is to provide a more accurate and reliable version of Thucydides’ text, free from the corruptions that have marred previous editions. This book is an essential resource for scholars and students of ancient history, offering a fascinating insight into the challenges of preserving and interpreting ancient texts.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world’s literature in affordable, high quality, modern editions, that are true to their original work.