Peter Krass Books

The Book of Entrepreneurs Wisdom

By Peter Krass

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The Little Book of Business Wisdom

By Peter Krass

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The Conference Board Challenge to Business

By Peter Krass

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"Andrew Carnegie stands next to J. P. Morgan and John D. Rockefeller as one of the great business leaders in United States history. Immigrating from Scotland as a child, Carnegie rose from the slum...

Carnegie

By Peter Krass

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Ignorance Confidence and Filthy Rich Friends

By Peter Krass

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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.