The Fourth Book of Thucydides is a scholarly work by Thucydides that was first published in 1889. The book is a revision of the original text of Thucydides' fourth book, which focuses on the Peloponnesian War between Athens and Sparta. Thucydides' work is considered one of the most important historical accounts of the war, and this revised edition provides an in-depth analysis of the text and its manuscripts. The author's aim is to illustrate the principal causes of corruption in the manuscripts of Thucydides, providing insights into the challenges faced by scholars in interpreting ancient texts. The book is a valuable resource for anyone interested in ancient history, classical studies, and the study of historical manuscripts.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.