Matt Gagnon Books

Day Men

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"For thousands of years, the world has been controlled by the "50 Families" -- a secret network of vampire covens engaged in a timeless struggle for power. But when the sun rises, the vampires are...

Day Men Vol. 2

By Matt Gagnon, Michael Alan Nelson, Brian Stelfreeze

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Freelancers Vol. 1

By Felipe Smith, Joshua Covey, Matt Gagnon, Eric M. Esquivel

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Day Men

By Matt Gagnon, Michael Alan Nelson, Brian Stelfreeze

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Day Men Vol. 1

By Matt Gagnon, Michael Alan Nelson

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Day Men 7

By Matt Gagnon, Michael Alan Nelson

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Day Men 8

By Matt Gagnon, Michael Alan Nelson

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Day Men 4

By Matt Gagnon, Michael Alan Nelson

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Day Men 6

By Matt Gagnon, Michael Alan Nelson

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Day Men

By Matt Gagnon, Michael Alan Nelson

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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.