Christopher John Farley Books

My favorite war

By Christopher John Farley

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Kingston by Starlight

By Christopher John Farley

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Aaliyah

By Christopher John Farley

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Game world

By Christopher John Farley

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"Dylan Rudee's real life is an epic fail until he's suddenly pulled into the world of his favorite video game, where he encounters actual monsters, giant storytelling spiders, malevolent hummingbir...

Game world

By Christopher John Farley

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Game world

By Christopher John Farley

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Around Harvard Square

By Christopher John Farley, C. J. Farley

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My Favourite War

By Christopher John Farley

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Kingston by Starlight

By Christopher John Farley

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Game world

By Christopher John Farley

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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.