Michael Holroyd Books

A short, spellbinding novel about a WWI veteran finding a way to re-enter—and fully embrace—normal life while spending the summer in an idyllic English village.  In J. L. Carr...

The good Bohemian

By Ida Nettleship

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When Ida Nettleship married Augustus John in 1901, it was against the wishes of her parents. But Ida was in love with this flamboyant and charismatic man who would become one of the most famous art...

On wheels

By Michael Holroyd

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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.