Catherine Coulter Books

The Beginning

By Catherine Coulter

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The Beginning

By Catherine Coulter

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#1 New York Times bestselling author Catherine Coulter presents the first two FBI Thrillers, together in one volume for the first time.Meet Special Agents Dillon Savich and Lacey Sherlock in these...

Double Jeopardy

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The FBI thrillers The Target and The Edge, together for the first time in one volume. The Target—Coulter “keeps readers guessing” (Booklist) as a little girl is pursued by men who prove as relent...

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.