Mark Singer Books

Citizen K

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The subject of this bizarrely apt State of the Union address - Brett C. Kimberlin - is at once ordinary and bewitching, an elfin entrepreneur whose talent as a legitimate businessman was surpassed...

Real Men Enjoy Their Kids

By Wenda Goodhart Singer, Mark Singer

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The six secrets to a happy retirement

By Kate Allado, Erwin Allado, Mark Singer

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A successful retirement is so much more than just finding "your retirement number." There are important financial, emotional, and physical aspects to this transition of a lifetime. this book is ded...

The rise and fall of Bear Stearns

By Alan C. Greenberg

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The Rise and Fall of Bear Stearns

By Alan C. Greenberg

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Anal and Rectal Diseases

By Eli D. Ehrenpreis, Shmuel Avital, Mark Singer

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Inside Islam

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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.