Eoin Colfer Books

Opal Deception

By Eoin Colfer, Andrew Donkin

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Artemis Fowl

By Eoin Colfer, Andrew Donkin

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Eternity Code

By Eoin Colfer, Andrew Donkin

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The gauntlet

By Eoin Colfer

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Preparing to introduce a new weaponry innovation during an international eco-summit, Tony Stark is challenged by an old enemy who assassinates the summit's ministers and deprives Stark of his Iron...

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.