Peter Aperlo Books

Unofficial Magnus Chase and the Gods of Asgard Companion

By Peter Aperlo

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Introduction to Norse Mythology for Kids

By Peter Aperlo

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Introduction to Norse Mythology for Kids

By Peter Aperlo

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Army of the Dead A Film by Zack Snyder

By Peter Aperlo

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Rebel Moon: Wolf: Ex Nihilo: Cosmology & Technology

By Titan

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The first of two official art and making of books for the Zack Snyder-directed Netflix film Rebel Moon giving an exclusive in-depth look at the worlds and technology, ships and armament.From Zack S...

Rebel Moon: Wurm: Ex Materia: Heroes & Monsters

By Titan Books

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The second of two official companion books for the Zack Snyder-directed Netflix films Rebel Moon taking an exclusive in-depth look at the heroes and villains, monsters and animals.From Zack Snyder,...

The Art and Making of The Boys

By Peter Aperlo

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The definitive guide to the making of the Prime Video smash hit The Boys, featuring exclusive insights into the origins, themes and production of the show from the cast and crew.The Art and Making...

Watchmen

By Peter Aperlo

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Watchmen

By Peter Aperlo

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The Art and Making of The Boys

By Peter Aperlo

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The definitive guide to the making of the Prime Video smash hit The Boys, featuring exclusive insights into the origins, themes and production of the show from the cast and crew.The Art and Making...

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.