John Langdon Books

"Bridging gaps between intellectual history, biography, and military/colonial history, Barnett Singer and John Langdon provide an interpretation of French imperialism and some of its leading figure...

Horses, Oxen and Technological Innovation: The Use of Draught Animals in English Farming, 1066-1500

By John. LANGDON, Langdon John

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Horses Oxen and Technological Innovation

By John Langdon

Average: 0.00, 0 Ratings

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.