John Bookser Feister Books

Jesus Plan for a New World

By John Bookser Feister, Richard Rohr

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Hope Against Darkness

By John Bookser Feister, Richard Rohr

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"Thank You, Sisters" highlights the positive impact that sisters have had on a cross-section of Catholics. It steps back from finger-pointing and position-taking and simply tells inspiring, true st...

Hoffnung und Achtsamkeit. Spirituell leben in unserer Zeit.

By John Bookser Feister, Richard Rohr

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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.