Kellie Davis Books

Forever Silent Forever Changed

By Kellie Davis

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Strong Curves

By Bret Contreras Kellie Davis

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This is not your run-of-the-mill fitness book. Developed by world-renowned gluteal expert Bret Contreras, Strong Curves offers an extensive fitness and nutrition guide for women seeking to improve...

Tin Cup

By Gary Foster, Kellie Davis, Ron Shelton, John Norville, Arnon Milchan, David V. Lester, Karin Freud

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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.