Andrew Shaffer Books

The Day of the Donald

By Andrew Shaffer

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Maximizing the Human Potential

By Andrew Shaffer

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Secret Santa

By Andi Arndt, Andrew Shaffer

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Secret Santa

By Andrew Shaffer

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Hope Never Dies

By Andrew Shaffer

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The New York Times Best Seller"[Hope Never Dies is] an escapist fantasy that will likely appeal to liberals pining for the previous administration, longing for the Obama-Biden t...

Hope Never Dies by Andrew Shaffer Barnes Noble Exclusive Edition

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Hope Never Dies

By Andrew Shaffer, Joe Barrett

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Hope Rides Again

By Andrew Shaffer, Joe Barrett

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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.