Kerry Segrave Books

"Shoplifting: A Social History focuses on American retailing over the last 140 years or so. Following the Civil War, both the incidence of shoplifting and cultural awareness of it increased." "One...

Age Discrimination by Employers

By Kerry Segrave

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"In 1907, the editor of The New York Times wrote, "Employers, naturally, look to the young. A man or woman of advanced years is too apt to be given to old-fashioned ways of doing things, and open t...

Vending machines

By Kerry Segrave

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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.