Alan Castle Books

The Robert Louis Stevenson Trail

By Alan Castle, Pete Hill

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The John Muir trail

By Castle Alan Writer On Walking

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The John Muir Trail (JMT) is one of the world's most spectacular treks and is North America's best known mid-distance walking trail. It runs for 216 miles through the high Sierra Nevada mountains o...

The Speyside Way

By Alan Castle Author

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Speyside Way

By Alan Castle

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Speyside Way

By Alan Castle

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Southern Upland Way

By Alan Castle, Ronald Turnbull

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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.