David E. Murphy Books

Battleground Berlin: CIA vs. KGB in the Cold War

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Battleground Berlin is the definitive, insider's account of the espionage warfare in Berlin between CIA and KGB from 1945 to the construction of the Berlin Wall in 1961. Two intelligence veterans -...

Battleground Berlin: CIA vs. KGB in the Cold War

By Sergei A. Kondrashev, David E. Murphy, George Bailey

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What Stalin Knew: The Enigma of Barbarossa

By David E. Murphy

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What Stalin Knew: The Enigma of Barbarossa

By David E. Murphy

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Die unsichtbare Front. Der Krieg der Geheimdienste im geteilten Berlin.

By Sergej A. Kondraschow, David E. Murphy, George Bailey

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Die Unsichtbare Front Der Krieg der Geheimdienste im Geteilten Berlin

By G. Kondraschow S.A. Murphy D.E. Bailey

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What Stalin Knew

By David E. Murphy

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Battleground Berlin

By George Bailey, Sergei A. Kondrashev, David E. Murphy

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Battleground Berlin

By George Bailey, Sergei A. Kondrashev, David E. Murphy

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What Stalin Knew

By David E. Murphy

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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.