Crystal Velasquez Books

Your life but cooler

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As a middle school girl trying to decide whether to audition for the choir which might perform at Carnegie Hall, the reader determines the outcome of the story by taking personality quizzes intersp...

Maya Miguel

By Crystal Velasquez

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Jasmine s Big Idea

By Crystal Velasquez

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Jasmine s Big Idea American Girl Forever Friends 1

By Crystal Velasquez

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Madison s New Buddy

By Crystal Velasquez

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Madison s New Buddy American Girl Forever Friends 2

By Crystal Velasquez

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Keiko s Pony Rescue

By Crystal Velasquez

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Keiko s Pony Rescue American Girl Forever Friends 3

By Crystal Velasquez

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Hunters of Chaos

By Crystal Velasquez

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Hunters of Chaos

By Crystal Velasquez

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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.