Roddy Doyle Books

Paddy Clarke Ha Ha Ha

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Winner of the Booker Prize – Roddy Doyle’s witty, exuberant novel about a young boy trying to make sense of his changing worldIt is 1968. Patrick Clarke is ten. He loves Geronimo, the T...

Paula Spencer

By Roddy Doyle

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“An extraordinary story about an ordinary life.” —People “Brilliant.” —The New Yorker Meet the eponymous and iconic Irishwoman Paula Spencer in this intimat...

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.