John F. Thornton Books

The Times greatest sermons of the last 2000 years

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The Essential Pope Benedict XVI: His Central Writings and Speeches

By John F. Thornton, Susan B. Varenne

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The Essential Pope Benedict XVI: His Central Writings and Speeches

By John F. Thornton, Susan B. Varenne

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The Book of Job

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"God is our home but many of us have strayed from our native land. The venerable authors of these Spiritual Classics are expert guides--may we follow their directions home." --Archbishop Desmond...

Buddhist Wisdom

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A landmark publication that offers Western readers a unique combination of what Buddhists worldwide consider the holiest of holy texts, The Diamond Sutra and The Heart Sutra. The Diamond Sutra, o...

Tongues of Angels Tongues of Men

By Katharine Washburn, John F. Thornton

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Tongues of Angels Tongues of Men

By John F. Thornton

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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.