Theodore Knight Books

How They Lived

By Theodore Knight, Jay Schleifer, David Steinecker, Jon Zonderman

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A pioneer woman

By Theodore Knight

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The Olympic games

By Theodore Knight

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An overview of the Olympic Games throughout their history; highlighting some of the achievements, records, and humorous and tragic moments; and discussing such aspects as boycotts, terrorism, and d...

Clipbook Time Finder

By Roderick Edwards, Theodore Knight

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Clipbook Time Finder

By Roderick Edwards, Theodore Knight

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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.