Brendan Mullen Books

Whores

By Brendan Mullen

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We Got the Neutron Bomb

By Marc Spitz, Brendan Mullen

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Taking us back to late ’70s and early ’80s Hollywood—pre-crack, pre-AIDS, pre-Reagan—We Got the Neutron Bomb re-creates word for word the rage, intensity, and anarchic glory...

Lexicon devil

By Brendan Mullen

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Live at the Masque

By Brendan Mullen

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Whores

By Brendan Mullen

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Whores

By Brendan Mullen

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Lexicon Devil

By Brendan Mullen

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Lexicon Devil

By Brendan Mullen

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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.