Edward J. Murphy Books

The best way to find meaningful employment at a living wage is by attacking 100% of the job market. Most job seekers' only approach 10-15% and wonder why their phone never rings. There are 19 SECRE...

19 Proven Ways to Get Your Resume to the Right People

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Revised teaching notes to accompany studies in contract law

By Edward J Murphy

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Studies in contract law

By Murphy Edward J.

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Studies in contract law

By Richard E. Speidel

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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.