Ric Estrada Books

Draw 50 Aliens

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Alien fever is running high: the Alien movies and reissue of the Star Wars trilogy have made outer space fascinating to a whole new generation of children. And who better to help budding artists ma...

Oliver Twist (Great Illustrated Classics)

By Charles Dickens, Marian Leighton, Ric Estrada

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Draw 50 Aliens

By Lee J. Ames, Ric Estrada

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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.