Adair Margo Books

Tom Lea

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Born in 1907 in El Paso, Texas, Lea says he can't remember when he didn't like to draw pictures. Recognizing his talent, his parents and teachers encouraged him to attend the Art Institute of Chica...

Jose Cisneros

By Adair Margo

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Voices of la Lydia

By Adair Margo

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Tom Lea Life Magazine and World War II

By Melissa Renn, Greeley Brendan M. Jr., Larry Decuers, Adair Margo

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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.