John W. Loftus Books

Why I Rejected Christianity

By John W. Loftus

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From Minister to Honest Doubter

By John W. Loftus

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Why I Became an Atheist

By John W. Loftus

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Twenty short debates consider Christianity, the existence of God, and unbelief from a variety of angles. They encourage honest, open, and candid discussions on the most important issues of life and...

The End of Christianity

By John W. Loftus

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Why I Became an Atheist

By John W. Loftus

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The Christian delusion

By John W. Loftus

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422 p. ; 23 cm

Outsider Test for Faith

By John W. Loftus

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Christianity Is Not Great

By Hector Avalos, John W. Loftus, Michael Shermer

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Christianity in the Light of Science

By John W. Loftus

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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.