John Bowker Books

The Meanings of Death

By John Bowker, John Westerdale Bowker

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Los significados de la muerte

By John Bowker, John Westerdale Bowker

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The Cambridge Illustrated History of Religions Cambridge Illustrated Histories

By John Bowker

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Uncle Bolpenny tries things out

By John Bowker

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Religiones del mundo (World Religions)

By John Bowker

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La historia y doctrina de las principales religiones del mundo explicada de forma sencilla y clara. Descubre los principios y fundamentos de las religiones universales y otros cultos minoritarios,...

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.