Marc Hempel Books

Gregory Treasury, A - Volume 1

By Marc Hempel

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Re gifters

By Mike Carey, Marc Hempel, Sonny Liew

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"Meet Jen Dik Seong -- or "Dixie" as she's known to her friends. She's living on the ragged edge of LA's Koreatown, and her only outlet is the ancient martial art of hapkido. In fact, she's on the...

4 Fisted Misadventures of Tug and Buster

By Marc Hempel

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Titanic Tales

By Damon Willis, Gary Henry, Allan Gross, Frank Cho, Marc Hempel

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The Clone Conspiracy

By Allan Gross, Marc Hempel, William Messner Loebs

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Mars

By Marc Hempel, Mark Wheatley

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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.