Sydney Lewis Books

Icarus a l ecole des Dieux Tome 1 L etoffe d un Neos

By Sydney Lewis

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A totally alien life-form

By Sydney Lewis

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Sydney Lewis, who worked for years with the legendary oral historian Studs Terkel, interviewed young people between the ages of thirteen and nineteen from across the country to gather the material...

Help wanted

By Sydney Lewis

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Young people from across the United States and from all walks of life talk candidly about their first forays into the real world of work. The honest, first-person accounts offer tips for surviving...

Touch and Go

By Studs Terkel, Sydney Lewis

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Touch and Go

By Studs Terkel, Sydney Lewis

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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.