Marshall Karp Books

NYPD Red 6

By Jay Snyder, Marshall Karp

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Red Alert Lib E

By James Patterson, Marshall Karp

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Red Alert

By Marshall Karp

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Bloodthirsty

By Marshall Karp

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Barry Gerber, one of the most hated - and powerful - men in Hollywood, is a no-show for a red carpet event. The next morning he turns up dead in a trash can, killed in such a bizarre way that neith...

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Blood Thirsty

By Marshall Karp

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Flipping Out

By Marshall Karp

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Cut Paste Kill

By Marshall Karp

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Flipping Out

By Marshall Karp

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The Rabbit Factory

By Marshall Karp

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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.