K. J. Keller Books

The Butterfly Clinic
The Butterfly Clinic

By K. J. Keller

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NEC R 2008 Need to Know
NEC R 2008 Need to Know

By K. J. Keller

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NEC(R) 2008 Need to Know
NEC(R) 2008 Need to Know

By K. J. Keller

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Electrician's Exam Study Guide 2 E
Electrician's Exam Study Guide 2 E

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Electrical Safety Code Manual
Electrical safety code manual
Chapter Closed
Chapter Closed

By K. J. Keller

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Dr. Elizabeth Beck, a world renowned psychologist and author of many best-selling books, including Rapist Rules, is blackmailed by a former acquaintance to be the maid of honor at a wedding in Snow...

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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.

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