Clay Jenkinson Books

The Lewis and Clark companion

By Stephenie Ambrose Tubbs

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The Lewis and Clark companion

By Stephenie Ambrose Tubbs

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Lewis Clark Chapbook Lewis Clark Expedition

By C. Jenkinson

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Lewis and Clark in Iowa

By Clay Jenkinson

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The character of Meriwether Lewis

By Clay Jenkinson

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This bold new study of the character of Meriwether Lewis attempts to make sense of one of the most fascinating and perplexing heroes of American history. Clay Jenkinson's Lewis is not a cheerful ex...

The character of Meriwether Lewis

By Clay Jenkinson

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A free and hardy life

By Clay Jenkinson

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"A lavishly illustrated collection of Teddy Roosevelt's stories of his Dakota years. Theodore Roosevelt ventured into the American West to seek authentic frontier experience and the strenuous life....

Theodore Roosevelt in the Dakota Badlands

By Clay Jenkinson

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Repairing Jefferson s America

By Clay S Jenkinson

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A Vast and Open Plain

By Clay Jenkinson

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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.