John H. Morrow Books

The Great War

By J. Morrow Jr.

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Reat War in the air

By John Howard Morrow, John H. Morrow

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Although World War I was fought and won in the trenches, aviation emerged as the most advanced and innovative technological arm of battle, epitomizing the new total warfare as it meshed the front a...

Great War

By John H. Morrow

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Great War in the Air

By John H. Morrow

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Great War

By John H. Morrow

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La Gran Guerra

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The Great War, 1949-1918

By Marc Ferro

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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.