James T. De Kay Books

The Natural Superiority of the Left-Hander

By James T. De Kay

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Natural Superiority of the Left Hander

By James T. De Kay

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The Rebel Raiders: The Astonishing History of the Confederacy's Secret Navy

By James T. De Kay, James T. Dekay

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"During its clandestine construction in Liverpool, it was known as "Number 290." When it was finally unleashed as the CSS Alabama, the Confederate warship triggered the last great military campaign...

The Rebel Raiders: The Astonishing History of the Confederacy's Secret Navy

By James T. De Kay, James T. Dekay

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Meet Martin Luther King, Jr.

By James T. Dekay

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Learn about the life of Dr. Martin Luther King Jr. with this revised edition of the popular Random House Step Up(TM) Biography of the great civil-rights leader and advocate for peaceful resistanc...

Meet Christopher Columbus

By James T. Dekay

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When Christopher Columbus was young, he worked for his father making cloth. But he did not want to be a cloth-maker all his life. Hewanted to see new lands and have adventures. He wanted to be a sa...

Chronicles of the Frigate Macedonian: 1809-1922

By James T. De Kay

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Chronicles of the Frigate Macedonian 1809 1922

By James Tertius De Kay, James T. De Kay

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Meet Martin L King Jr

By James T. Dekay

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Meet Chris Columbus

By James T. Dekay

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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.