Joe Sutphin Books

The Warden and the Wolf King

By Andrew Peterson, Joe Sutphin

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Raffie on the Run

By Jacqueline Resnick, Joe Sutphin

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Gorilla tactics

By Sheila Grau

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Cursed to die on his sixteenth birthday, Runt Higgins must find answers at the Great Library, as Dr. Critchlore takes desperate measures to save his monster boarding school from being sold.

AutoCAD 2004 VBA

By Joe Sutphin, Apress

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AutoCAD 2000 VBA Programmers Reference

By Joe Sutphin

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Watership down

By Richard Adams, James Sturm, Joe Sutphin

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Word of Mouse

By Joe Sutphin, Chris Grabenstein

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Year in the Big Old Garden

By Melissa Fink, Joe Sutphin, James D. Witmer

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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.