Brian Johnson Books

"The 1939-45 War was a struglle as much between scientists as fighting men. The need, on both sides, to counter the enemy's technological ingenuity was a spur to scientific invention. The BBC1 tele...

Secret War

By Brian Johnson

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Fly navy

By Brian Johnson, Johnson Brian

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Steam Traction Engines Wagons and Rollers in Colour

By Brian Johnson

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Inside Microsoft Visual Studio .NET 2003

By Brian Johnson, Craig Skibo, Marc Young

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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.