J. Richard Knapp Books

Truth s lair

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After her grandfather's death, a young girl stumbles across his private journals where she learns of his 1945 mission to locate and remove one of the Nazi's most powerful super weapons hidden in a...

Cow Pie Gang

By Mrs. Shona Anderson, Mr. J. Richard Knapp

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Bobby s Story

By J. Richard Knapp

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Book of Kati

By J. Richard Knapp, Shona Anderson

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Clearwater Falls

By J. Richard Knapp

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Secrets

By J. Richard Knapp, Shona Anderson

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Truth s Lair

By Franklin Pratt, J. Richard Knapp

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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.