Lee Douglas Books

Pasados de violencia politica

By Juan Monterio Gutierrez, Sergio Claudio Gonzalez Garcia, Lidia Mateo Leivas, Jean Francois Mace, Elena Blazquez Carretero, Zoe De Kerangat, Lee Douglas, Victor Luis Mora Gaspar, Carlos Aguero Iglesia, Ulrike Capdepon, Jorge Moreno Andres, Mario Martinez Zauner

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Life s Mountaintops and Valleys

By Lee Douglas

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Great East Texas Henhouse Raid or Just One Egg

By Paul Douglas, Lee Douglas

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Meditation the Ultimate Beginner s Guide for Meditation

By Lee Douglas

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Blood Pressure Solutions Blood Pressure

By Lee Douglas

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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.