Craig Olsen Books

Their greatest act of resistance was simply existing. Drags, fags and trans-women were attracted to the Big Apple because they were able to find work as impersonators in a small number of Lower Eas...

Jump Starts 30 Second Lessons in Leadership for All of Us

By Craig Olsen

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Iconic

By Craig Olsen

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Purple Heroes

By Craig Olsen, Mark Mullaney, Anthony Bass

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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.