Thomas Arzt Books

The essays in this volume are geared to the recognition that the posthumous publication of The Red Book: Liber Novus by C. G. Jung in 2009 was a meaningful gift to our contemporary world. The Red B...

Jung's Red Book for Our Time

By Murray Stein, Thomas Arzt

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Edited by Murray Stein and Thomas Arzt, the essays in the series Jung's Red Book for Our Time: Searching for Soul under Postmodern Conditions are geared to the recognition that the posthumous publi...

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.