Tim Harding Books

Guide to the chess openings

By Leonard Barden

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Motoring Around Sussex The First Fifty Years

By Tim Harding

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Correspondence chess in Britain and Ireland 1824 1987

By T. D. Harding

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"Details the history from 1824 into the 1980s, the development of postal chess, dawn of game-changing technologies (telegraphs, telephone, radio, fax); earliest transatlantic matches between the U....

Eminent Victorian chess players

By T. D. Harding

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"Portrays nineteenth-century British chess life through biographical studies of ten players who shaped the modern game. From Captain Evans, inventor of the famous gambit, to Isidor Gunsberg, Englan...

Red Letters

By Sergey Ya Grodzensky, Tim Harding

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Happy Families

By Trisha Lee, Tim Harding, Steve Bowkett

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Why You Lose at Chess

By Tim Harding

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Better Chess for Average Players

By Tim Harding

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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.