Johanna S. Warren Books

La Salle Expedition to Texas

By William Foster, Johanna S. Warren

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The La Salle Expedition to Texas: The Journal of Henri Joutel, 1684-1687

By William Foster, Henri Joutel, Johanna S. Warren

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Written from detailed notes taken during this historic journey, Joutel's journal is the most comprehensive and authoritative account available of this dramatic story of adventure and misadventure i...

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.