Douglas C. Dildy Books

Graf Zeppelin class Aircraft Carriers

By Ryan K. Noppen, Paul Wright, Douglas C. Dildy

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Fall Gelb 1940 (1): Panzer Breakthrough In The West (Campaign)

By Douglas C. Dildy, Doug Dildy

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The German blitzkrieg conquest of France and the Low Countries (via the Ardennes, Arras, and Dunkirk) in May and June of 1940 has never been surpassed in the history of warfare in that no clash bet...

Denmark and Norway 1940

By Doug Dildy

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F 15 Eagle Engaged

By Steve Davies, Doug Dildy

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Dunkirk 1940: Operation Dynamo

By Douglas C. Dildy, Doug Dildy, Howard Gerrard

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During the Battle of Dunkirk in 1940, German forces successfully cut off several units of British, French and Canadian troops from supporting forces and supplies. Nearly 350,000 Allied troops were...

Sea Harrier FSR 1 vs Mirage III Dagger

By Pablo Calcaterra, Jim Laurier, Doug Dildy, Gareth Hector

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Sea Harrier FRS 1 vs Mirage III Dagger

By Pablo Calcaterra, Jim Laurier, Douglas C. Dildy, Gareth Hector

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Sea Harrier FRS 1 vs Mirage III Dagger

By Pablo Calcaterra, Jim Laurier, Douglas C. Dildy, Gareth Hector

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Battle Of Britain 1940: The Luftwaffe’S ‘Eagle Attack’

By Douglas C. Dildy, Doug Dildy, Graham Turner, Douglas C. Dildy, Graham Turner

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In August 1940, the Luftwaffe began an operation to destroy or neutralize RAF Fighter Command, and enable Hitler to invade Britain that autumn. It was a new type of air warfare: the first ever offe...

Battle of Britain 1940

By Graham Turner, Douglas C. Dildy

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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.