T. J. Clarkson Books

The men of the north

By T. J. Clarkson

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230 p. : 24 cm

The Picts

By T. J. Clarkson

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The Picts were an ancient nation who ruled most of northern and eastern Scotland during the Dark Ages. Despite their importance in Scottish history, they remain shrouded in an aura of myth and misc...

Strathclyde and the Anglo Saxons in the Viking Age

By T. J. Clarkson

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AEthelflaed

By Tim Clarkson

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Columba

By Tim Clarkson

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Columba

By Tim Clarkson

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Makers of Scotland

By Tim Clarkson

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Picts

By Tim Clarkson

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The makers of Scotland

By T. J. Clarkson

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During the first millennium AD the most northerly part of Britain evolved into the country known today as Scotland. The transition was a long process of social and political change driven by the am...

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.