RenÃ© Chartrand Books

The Armies And Wars Of The Sun King 1643-1715

By Rene . Chartrand, René Chartrand, RenÃ© Chartrand

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This fourth and final part of our study concentrates on the early 18th century War of Spanish Succession. It was the largest and most difficult conflict in Europe since the Thirty Years War and uns...

French Musketeer 1622-1775

By Rene . Chartrand, TURNER GRAHAM, Rene Chartrand, Graham Turner, Chartrand, Rene, France. Mousquetaires Du Roi., RenÃ© Chartrand

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In 1884 the French novelist Alexandre Dumas published The Three Musketeers, followed by Twenty Years After (1845) and The Vicomte de Bragelonne: Ten Years Later (1847-50). This trilogy of works, re...

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.