Foster, Paul Books

Heimskringla or the Stoned Angels Playscripts

By Paul B. Foster

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Community, law, and mission in Matthew's Gospel

By Paul Foster

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Irenaeus

By Sara Parvis, Paul Foster

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"Champion of martyrs, scourge of heretics, erudite theologian, shrewd politician--no account of early Christianity is complete without careful consideration of Irenaeus of Lyons. Here a team of int...

Irenaeus

By Paul Foster, Sara Parvis

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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.