Glen Jeansonne Books

A Time of Paradox

By Glen Jeansonne

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Elvis Presley Reluctant Rebel His Life and Our Times

By Dan Sokolovic, Glen Jeansonne, David Luhrssen

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Herbert Hoover

By Glen Jeansonne

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“At last, a biography of Herbert Hoover that captures the man in full… [Jeansonne] has splendidly illuminated the arc of one of the most extraordinary lives of the twentieth century.&r...

The Life of Herbert Hoover

By Glen Jeansonne

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Life of Herbert Hoover

By Glen Jeansonne

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Leander Perez

By Glen Jeansonne

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Elvis Presley Reluctant Rebel

By Dan Sokolovic, Glen Jeansonne, David Luhrssen

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Time of Paradox

By Glen Jeansonne

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DISCUSSION GUIDE for Changing Times Academic Version

By Glen Jeansonne, David Luhrssen

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DISCUSSION GUIDE for Changing Times

By Glen Jeansonne, David Luhrssen

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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.