Edgar J. Goodspeed Books

Ancient Sermons For Modern Times By Asterius Bishop Of Amasia Circa 375 405 A.D.

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How To Read The Bible

By Edgar J. Goodspeed

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The Apocrypha

By Edgar J. Goodspeed With An Introduction By Moses Hadas

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The powerful collection of books from the Greek version of the Jewish Bible—the earliest complete version of the Bible we possess—but that were not included in the final, canonical ve...

How Came the Bible

By Edgar J. Goodspeed

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Paul

By Edgar J. Goodspeed

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Paul a Biography Drawn From the Evidence

By Edgar J Goodspeed

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Harmony of the Synoptic Gospels for Historical and Critical Study

By Edgar J. Goodspeed, Ernest Dewitt Burton

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Historical and Linguistic Studies in Literature Related to the New Testament

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Index apologeticus, sive, Clavis Iustini Martyris operum

By Edgar J. Goodspeed

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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.