Thucydides Books

The History of the Peloponnesian War

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Thucydides' Theory of International Relations

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"Throughout history, readers of Thucydides' History of the Peloponnesian War have sought to apply its lessons to the problems of their times. In that tradition, the authors of these essays explore...

Thucydides Theory of International Relations

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Thucydidis De Bello Pelopennesiaco Libri Octo Ancient Greek Literature

By Thucydides, E. F. Poppo

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.