David Frankfurter Books

Religion in Roman Egypt

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This exploration of cultural resilience examines the complex fate of classical Egyptian religion during the centuries from the period when Christianity first made its appearance in Egypt to when it...

Religion in Roman Egypt

By David Frankfurter

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Evil incarnate

By David Frankfurter, Frankfurter David

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Evil Incarnate

By David Frankfurter

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Christianizing Egypt

By David Frankfurter

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Elijah in Upper Egypt

By David Frankfurter, Frankfurter David

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Guide to the Study of Ancient Magic

By David Frankfurter

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Pilgrimage and holy space in late antique Egypt

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Religion in Roman Egypt

By David Frankfurter

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Christianizing Egypt

By David Frankfurter

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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.