David Wragg Books

A century of British naval aviation 1909 2009

By David W. Wragg

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Fighter operations in Europe North Africa 1939 1945

By David W. Wragg

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The world air power guide

By David W. Wragg

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Composition and details of all air elements of a staggering 169 nations' air forces and, where they exist, army air, naval air and such paramilitary organizations as the US Coast Guard Service.

Effective Media Relations

By Alison Theaker, David Wragg, Michael Bland

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Relaciones Publicas para mercadeo y ventas

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Hunters Tales of the Plains Book 1

By David Wragg

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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.