Stephen Benko Books

Pagan Rome and the Early Christians

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"In the early Roman empire, Christians were seen by pagans as overthrowers of ancient gods and destroyers of the prevailing social order. Allegations that Christians recognized each other by secret...

Pagan Rome and the early Christians

By Stephen Benko

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Early Church History

By Stephen Benko, John J. O Rowke

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Pagan Rome and the early Christians

By Stephen Benko

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My Lord speaks.

By Stephen Benko

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Scott 2004 U.S. Pocket Stamp Catalogue Scott U S Pocket Stamp Catalogue

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Virgin Goddess

By Stephen Benko

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The Virgin Goddess

By Stephen Benko

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The Catacombs and the Colosseum

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Meaning of Sanctorum Communio

By Stephen Benko

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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.