Marcus Johnson Books

Try Again, Volume 1

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As a member of the Cacciatore Guild, Danielle Burroughs is one of the criminal underworld’s most renowned hitmen. Despite her success, memories from her past bleed into the present—forcing her to r...

Podcast success

By Marcus Johnson

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Tears of the Maidens

By Marcus Johnson

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Apet Hesit

By Marcus Johnson

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For the Love Of

By Marcus Johnson

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Breaking Free from the Shadows

By Marcus Johnson

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Breaking Free from the Shadows

By Marcus Johnson

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Breaking Free from the Shadows

By Marcus Johnson

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Becoming Ubermensch

By Marcus Johnson

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Overcoming Temptation

By Marcus Johnson

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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.