David Avallone Books

Bettie Page Vol. 1

By David Avallone

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Legenderry

By David Avallone

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Vampirella, the immortal horror heroine, is neck-deep in conspiracies and corruption. Against a Neo-Victorian backdrop of Zeppelins and petticoats, the raven-haired adventurer stalks an alternate r...

Twilight Zone the Shadow

By Francesco Francavilla, David Avallone, Dave Acosta

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Doc Savage

By David Avallone, Dave Acosta

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Model Agent

By David Avallone, Colton WORLEY

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Bettie Page

By Julius Ohta, David Avallone

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ELVIRA

By Fran Strukan, David Avallone

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ELVIRA

By David Avallone, Dave Acosta

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Elvira

By David Avallone, Dave Acosta

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Bettie Page Unbound

By Julius Ohta, David Avallone

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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.