Manning John Books

The Modern Advertisement

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Old houses have their secrets. The Young residence--a beautiful Maine mansion overlooking the Atlantic--is no exception. But the secrets here are different. They can kill. Carolyn Cartwright, priva...

The Swan of Usk

By Manning John

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Glimpses of Jersey

By Manning John

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Glimpses of Guernsey

By Manning John

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The forgotten power

By Manning John

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Dreamers in Hell

By Michael A. Ventrella, Janet Morris, Tom Barczak, Petra Jorns, Manning John, Shebat Legion, Jason Cordova, Jack William Finley, Bettina S. Meister, Richard Groller

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What Scares the Boogey Man

By Manning John

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Contribution of Charles Dickens to the Advancement of Educational Theory and Practice

By Manning John

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Dark Corners

By Manning John

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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.