Phillip Marcus Books

Call of duty

By Jason Fox, Rich Hunsinger, Owen Michael, Phillip Marcus

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Prototype 2

By Phillip Marcus

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Call of duty

By Phillip Marcus

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Provides a guide to the video game Call of duty Black ops II that includes information and tips on single-player and multiplayer weapons, campaigns, maps, missions, and game modes.

Destiny Limited Edition Strategy Guide

By BradyGames

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Call of Duty Infinite Warfare

By Thom Denick, Phillip Marcus

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Yeats and the beginning of the Irish renaissance

By Phillip L. Marcus

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Standish O Grady

By Phillip L. Marcus, Phillip Marcus

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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.