James McMurtry Longo Books

Isabel Orleans Braganca

By James McMurtry Longo

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Hitler and the Habsburgs

By James McMurtry Longo

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A stunning work of narrative history revealing how and why Adolf Hitler targeted the children of the assassinated Archduke Franz Ferdinand, making the Archduke's sons the first two Austrians deport...

Haunted Odyssey

By James M. Longo

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From Classroom to White House

By James McMurtry Longo

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From classroom to White House

By James McMurtry Longo

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"President Eisenhower, who was not always the best student, once wrote, "One cannot always read a man's future in the record of his younger days." Indeed, this review of the classroom experiences o...

Hitler and the Habsburgs

By James Longo

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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.