Andrew Cartmel Books

He is a record collector — a connoisseur of vinyl, hunting out rare and elusive LPs. His business card describes him as the “Vinyl Detective” and some people take this more litera...

The Run-Out Groove

By Andrew Cartmel

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His first adventure consisted of the search for a rare record; his second the search for a lost child. Specifically the child of Valerian, lead singer of a great rock band of the 1960s, who hanged...

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.