Steven M. Oberhelman Books

When David M. DeVitt died in 1934, both of his sons having tragically predeceased him, the future of his estate and the West Texas ranch he had founded in 1895 seemed precariously in question. Yet...

Rhetoric and homiletics in fourth-century Christian literature

By Steven M. Oberhelman

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Rhetoric and Homiletics in Fourth Century Christian Literature

By Steven M. Oberhelman

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Bizans ta Ruya Tabirnameleri

By Steven M. Oberhelman

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Dreams Healing and Medicine in Greece

By Steven M. Oberhelman

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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.