Gorman, John Books

Sir John Gorman: The Times Of My Life

By Gorman, John, John Gorman, Sir John Gorman

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Sir John Gorman served with the Irish Guards in North West Europe, winning the MC for ramming and knocking-out a Royal Tiger tank; the thickness of its armor precluded any other alternative! After...

Light: An Investigation

By Gorman, John, John Gorman

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32 pages : 28 cm This book explains the different characteristics of light and includes simple experiments Includes bibliographical references (page 31) and index Why is light so important? -- How...

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.