Michael Gruber Books

Witch's Boy, The

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A grotesque foundling turns against the witch who sacrificed almost everything to raise him when he becomes consumed by the desire for money and revenge against those who have hurt him, but he even...

The Witch's Boy CD

By Michael Gruber

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The Book of Air and Shadows

By Gruber Michael, Michael Gruber

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Desperately typing out the details of a case that puts him at the center of a deadly conspiracy, intellectual property lawyer Jake Mishkin recounts how a bookstore fire led to the discovery of the...

The Book of Air and Shadows

By Michael Gruber

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The Forgery of Venus: A Novel

By Gruber Michael, Michael Gruber

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Book of Air and Shadows LP The

By Gruber Michael, Michael Gruber

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The Book of Air and Shadows

By Michael Gruber

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Forgery of Venus CD

By Michael Gruber

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The Book of Air and Shadows

By Michael Gruber

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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.