Owen Barfield Books

'Owen Barfield on C.S. Lewis' is a collection of essays and lectures about the author, theologian, and literary scholar, C. S. Lewis. Barfield and Lewis were close friends for 44 years, from their...

Speaker's Meaning

By Owen Barfield

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'Speaker's Meaning' is a study of language, charting the evolution of human consciousness through the gulf between a speaker's use of words and their lexical definition. This evolution is directly...

Poetic Diction: A Study in Meaning

By Owen Barfield

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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.