Guenter H. Treitel Books

An Outline of the Law of Contract

By Guenter H. Treitel, G. H. Treitel

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An Outline of the Law of Contract

By Treitel, Guenter H. Treitel, G. H. Treitel

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Law of contract

By G. H. Treitel

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Carver on bills of lading

By G. H. Treitel

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"In the six years since the last edition of this book, the most important development to affect its subject-matter has been the approval by the United Nations of the new "Convention on Contracts fo...

Contracts in General Chapter 16

By Guenter H. Treitel

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Contracts in General Chapter 16

By Guenter H. Treitel

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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.