Roddy Doyle Books

Two Pints

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Two men meet for a pint in a Dublin pub. They chew the fat, set the world to rights and take the piss. They talk of their wives, children, pets, football teams and about the Euro. In their fashion...

Great Expectations

By Charles Dickens, Roddy Doyle, Linda Jennings

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Pip has a hard life but one day his miserable existence changes forever. A terrifying encounter with an escaped convict, and a visit to the mysterious Miss Havisham in her crumbling mansion, affect...

Kellie

By Roddy Doyle, Kellie Harrington

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Great Expectations

By Charles Dickens, Roddy Doyle, Linda Jennings

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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.