Paul F. M. Zahl Books

Paul F. M. Zahl attempts to show - contrary to the opinion of many present-day "Anglican" writers - that Anglicanism is not just a via media (between Rome and Geneva, for example) but has been stam...

5 Women of the English Reformation

By Paul F. M. Zahl

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"Books on the history of the Reformation are filled with the heroic struggles and sacrifices of men. But this volume puts the spotlight on five strong and intellectually gifted women who, because o...

The Protestant Face of Anglicanism

By Paul F. M. Zahl

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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.