Liz Vaccariello Books

"150 all-new quick and easy recipes to help you extend and maintain the 21-Day Tummy Diet. Featuring sample menus for each phase, easy to follow tips on how to create your own Belly Buddy recipes,...

Swap and Drop

By Liz Vaccariello

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Flat belly diet

By Liz Vaccariello

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Flat Belly Diet

By Liz Vaccariello

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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.