David E. Gumpert Books

The Encyclopedia of Small Business Resources

By David E. Gumpert

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Fundamentals of Organizational Behavior

By Robert A. Pitts, David E. Gumpert, David Lei, Andrew J. Dubrin

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The insider's guide to small business resources

By David E. Gumpert

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Growing Concerns

By David E. Gumpert

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Inge

By David E. Gumpert, Inge J. Bleier, Inge Joseph Bleier

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"In early 1939, after Kristallinacht, young Inge Joseph's family in Germany is broken apart, and her desperate mother sends her alone to Brussels to live with wealthy relatives. But she soon finds...

How Really Create Succ Bus

By David E. Gumpert

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How Really Start Business (How to Really Start Your Own Business)

By David E Gumpert

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How to Really Start Your Own Business

By David E. Gumpert

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Better Than Money

By David E. Gumpert

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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.