Trevor Royle Books

Precipitous city

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Edinburgh is one of the most beautiful of the world's cities, a place of splendor whose craggy skyline brings together two entirely different worlds. To the south of its main thoroughfare, Princes...

The Macmillan companion to Scottish literature

By Trevor Royle

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Death Before Dishonour True Story of Fighting Mac

By Trevor Royle

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"A vigorous, authoritative history of the last major battle fought between Scottish and English forces, resulting in the formation of the bedrock of the British Empire. The Battle of Culloden in 17...

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.