Andrew E. C. Gaska Books

Buck Rogers in the 25th Century Lo the Rings of Saturn Draconian Fire Volume 1

By Andrew E. C. Gaska

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Death of the Planet of the Apes

By Andrew E. C. Gaska

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Death of the Planet of the Apes

By Andrew E. C. Gaska

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New adventures revealing secrets stemming from Beneath the Planet of the ApesIn Beneath the Planet of the Apes, Col. George Taylor (played by Charlton Heston) disappears into the Forbidden Zone, on...

Space 1999

By Andrew E. C. Gaska

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To Everything That Was

By Andrew E. C. Gaska

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Journey under the Sea Graphic Novel

By Andrew E. C. Gaska, E. L. Thomas

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Choose Your Own Adventure Eighth Grade Witch

By C. E. Simpson, Andrew E. C. Gaska, Valerio Chiola, E. L. Thomas

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Choose Your Own Adventure

By Danilo Leonardo, Andrew E. C. Gaska, E. L. Thomas

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Conspiracy Of The Planet Of The Apes

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Critical Millennium The Dark Frontier

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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.