David Welky Books

Everything Was Better in America

By David Welky

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One for the Thumb

By David Welky, Randy Roberts

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John Wayne

By David Welky, Randy Roberts

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America between the wars 1919 1941

By David Welky

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"With the Great Depression, the growth of a consumerist mass culture, the reshaping of government under Franklin Roosevelt's New Deal, and intense debates over race and the role of women, the 22 ye...

America between the wars, 1919-1941

By David Welky

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Thirty Years in the Arctic Regions

By David Welky, Sir. John Franklin

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We

By David Welky, Charles A. Lindbergh

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Ronald Reagan Treasures

By Editors Of Thunder Bay Press, David Welky, Randy Roberts

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Charles A. Lindbergh

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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.