Lewis Johnman Books

"Few industries attest to the decline of Britain's political and economic power as does British shipbuilding in its near disappearance in the course of the twentieth century. On the eve of the Firs...

Scott Lithgow Deja Vu All Over Again

By Lewis Johnman

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Down the river

By Ian Johnston

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Suez Crisis

By Lewis Johnman, Anthony Gorst

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Suez Crisis

By Lewis Johnman, Anthony Gorst

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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.