Ward John Books

Latin America
Latin America

By Ward John

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Latin America
Latin America

By Ward John

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The Roman era in Britain.
The Roman era in Britain.

By Ward John

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The Hansard chronicles
The Hansard chronicles

By Ward John

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A late harvest
A late harvest

By Ward John

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Colorado, magnificent wilderness
Colorado, magnificent wilderness
The stone of sorrow
The stone of sorrow

By Ward John

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Six months after their first adventure, teenagers Jake and Helen reunite to discover the history and location of an ancient machine and a powerful crystal, whose powers were harnessed centuries ago...

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La pierre du chagrin
La pierre du chagrin

By Ward John

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La cite des plaintes
La cite des plaintes

By Ward 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.

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