John De Lancie Books

I, Q

By Peter David, John De Lancie

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I, Q

By David,Peter, Peter David, John De Lancie, De Lancie, John

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Amazon.com Review As fans of Star Trek: The Next Generation know, Q is the omnipotent extradimensional entity who so often causes whimsical havoc on the Starship Enterprise and elsewhere--for...

I Q.

By Peter David, John De Lancie

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Soldier of Light

By John De Lancie, Tom Cool

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Soldier of light

By John De Lancie

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The Invisible Man

By An All Star Cast, Leonard Nimoy, John De Lancie, H. G. Wells

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Alien Voices H G Wellss The Invisible Man

By John De Lancie, H. G. Wells

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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.