Hans Bluedorn Books

The Thinking Toolbox

By Nathaniel Bluedorn, Hans Bluedorn

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The fallacy detective

By Nathaniel Bluedorn

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A fallacy is an error in logic -- a place where someone has made a mistake in his thinking. This is a handy book for learning to spot common errors in reasoning.

The Fallacy Detective

By Nathaniel Bluedorn, Hans Bluedorn, Rob Corley

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The Fallacy Detective

By Nathaniel Bluedorn, Hans Bluedorn

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Archer and Zowie

By Hans Bluedorn

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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.