David S. Goyer Books

JLA JSA

By David S. Goyer, Carlos Pacheco, Geoff Johns

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JSA

By David Goyer, Various

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JSA: Savage Times - VOL 06

By David S. Goyer, Geoff Johns

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JSA

By David S. Goyer, Geoff Johns

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"Three generations of crime-fighters join together for the greater good: Sentinel, Wildcat, the Flash, Black Canary, Starman, Sand, Hourman, Atom Smasher, the Star-Spangled Kid and Hawkgirl. The he...

Batman

By Toshi Hiruma, Alan Burnett, Jordan Goldberg, David S. Goyer, Josh Olson, Greg Rucka, Brian Azzarello

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Six spellbinding chapters chronicling Batman's transformation from the novice crimefighter to the Dark Knight. These globe-spanning adventures pit Batman against many criminal elements, including,...

Darkness Falls

By David S. Johns Geoff Goyer

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Starman, a starry knight

By Robinson James.

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JLA JSA

By David S. Goyer, Geoff Johns

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JSA, darkness falls

By David S. Goyer

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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.