Christopher Parks Books

The Unofficial Guide to the Best RV and Tent Campgrounds in the Northwest Central Plains First Edition

By Christopher Parks, Shane Kennedy

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My healthcare is killing me

By Katrina Welty

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Medical costs are out of control and Americans are paying outrageous amounts to cover their medical needs. On top of that, healthcare is filled with medical jargon that is confusing and hard to und...

Old News

By Christopher Parks

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Ticket for Terror

By Christopher Parks

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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.