Jonathan Mercer Books

Black Beauty

By David Barnett, Audrey Daly, Betty Evans, Anna Sewell, Jonathan Mercer

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Black Beauty begins life as a happy and well-cared-for colt in a loving home, but his owners are forced to sell him and Black Beauty's fortunes change. He is moved from place to place, suffers crue...

Reputation And International Politics

By Jonathan Mercer, Jonathan Loveridge Mercer

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By approaching an important foreign policy issue from a new angle, Jonathan Mercer comes to a startling, controversial discovery: a nation's reputation is not worth fighting for. He presents the mo...

Three Short Dissertations, Shewing, I. The Very Year In Which The Worl...

By Jonathan Mercer

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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.