Katie Gillespie Books

Peyton Manning Quotes from the Greatest Athletes

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Halloween

By Katie Gillespie

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Passover

By Katie Gillespie

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Ramadan Let s Celebrate American Holidays

By Katie Gillespie

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Veterans Day

By Katie Gillespie

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Learn about Veteran's Day through simple text and colorful illustrations. Includes code to access companion AV² enhanced book which contains: Audio, video, embedded weblinks, key words, quizzes, sl...

Veterans Day

By Katie Gillespie

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Meet the Elephant

By Katie Gillespie

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Meet the Giraffe

By Katie Gillespie

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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.