David Axe Books

Army of God

By David Axe, Tim Hamilton

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The Stan

By Kevin Knodell

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The 'Stan is a collection of short comics about America's longest war. Individual stories highlight different perspectives--including a Taliban ambassador and Afghan and U.S. Army soldiers--but eve...

Black Space

By David Axe

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Black Space

By David Axe

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War is Boring

By David Axe, Matt Bors

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Read David Axe's blogs and other content on the Penguin Community.The war memoir as graphic novel-an utterly unforgettable and highly original look at war in the 21st century. Street battles with...

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.

David Axe Books

Drone War Vietnam

Drone War Vietnam

Drone War Vietnam

Drone War Vietnam

Army of God

Shadow Wars

The Stan

Black Space

Black Space

War is Boring

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?