Catherine Coulter Books

"The highly anticipated twenty-first FBI thriller by #1 New York Times bestselling author Catherine Coulter presents Agents Savich and Sherlock with two baffling mysteries. Working with Agent Cam W...

Enigma

By Catherine Coulter

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Paradox

By Catherine Coulter

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"The next chilling thriller in the New York Times bestselling FBI Thriller series"--

Paradox

By Catherine Coulter

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"The next chilling thriller in the New York Times bestselling FBI Thriller series"--

The Sixth Day

By J.T. Ellison, Catherine Coulter

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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.