M.A. Ken Clements Books

Thomas Jefferson and his Decimals 1775 1810

By Nerida F. Ellerton, M.A. Ken Clements

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This well-illustrated book, by two established historians of school mathematics, documents Thomas Jefferson’s quest, after 1775, to introduce a form of decimal currency to the fledgling United Stat...

Second International Handbook of Mathematics Education

By Christine Keitel Kreidt, Frederick Koon Shing Leung, M.A. Ken Clements, Jeremy Kilpatrick, Alan Bishop

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Rewriting the History of School Mathematics in North America 1607 1861

By M.A. Ken Clements, Nerida Ellerton

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International Handbook of Mathematics Education

By Christine Keitel Kreidt, M.A. Ken Clements, Colette Laborde, Jeremy Kilpatrick, Alan Bishop

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Rewriting the History of School Mathematics in North America 1607 1861

By M.A. Ken Clements, Nerida Ellerton

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Third International Handbook of Mathematics Education

By Alan Bishop, Christine Keitel Kreidt, M.A. Ken Clements

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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.