Peter Thomas O Brien Books

The letter to the Hebrews

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In this carefully crafted commentary Peter O'Brien distinctively harvests the results of recent scholarship on the letter to the Hebrews, especially in relation to the genre of the document and the...

Gospel and mission in the writings of Paul

By Peter Thomas O Brien

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The letter to the Hebrews

By Peter Thomas O Brien

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Perfect Saviour

By Richard B. Gaffin, Thomas R. Schreiner, Peter Thomas O Brien, Gooding D. W., Jonathan Griffiths

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Introductory thanksgivings in the letters of Paul

By Peter Thomas O Brien

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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.