Georges Lefebvre Books

At the time when Napoleon Bonaparte assumed control of France, Europe and the French Revolution had been at war for over seven years, and except for a brief interruption, this conflict was to last...

Napoleon From 18 Brumaire to Tilsit 1799 1807

By Georges Lefebvre

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Napoleon: From Tilsit to Waterloo, 1807-1815

By Georges Lefebvre

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Lefebvre

By Georges Lefebvre

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Simplicity

By Georges Lefebvre

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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.