Benjamin Marra Books

Best of Heavy Metal

By Rian Hughes, Simeon Aston, Benjamin Marra, Grant Morrison

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Night Business Issue 1

By Benjamin Marra

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American Blood

By Benjamin Marra

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Henry Glenn Forever Ever

By Benjamin Marra, Tom Neely, Ed Luce

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Night business

By Benjamin Marra

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A knife-wielding killer is on the loose, committing extreme acts of violence on exotic dancers. Only one man has a will powerful enough to stop this psychopath: Johnny Timothy. But can Johnny mete...

Henry and Glenn Forever and Ever

By Benjamin Marra, Tom Neely, Ed Luce

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Jesusfreak

By Benjamin Marra, Joe Casey

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Jesusfreak

By Benjamin Marra, Joe Casey

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Terror Assaulter O. M. W. O. T

By Benjamin Marra

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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.