Henry Kraus Books

The Many and Few: A CHRONICLE OF THE DYNAMIC AUTO WORKERS

By Henry Kraus

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Heroes of unwritten story

By Henry Kraus

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The early United Automobile Workers union comes vividly to life in this "participant's account" of the development of an organization that once embodied the promise of the American labor movement....

Gold Was the Mortar the Economics of Cathedral Building

By Henry Kraus

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Living Theater of Medieval Art

By Henry Kraus

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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.