Sean O Neill Books

Highly Irregular

By Arika Okrent, Sean O Neill

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Cultural contact and linguistic relativity among the Indians of northwestern California

By Sean O Neill

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Rocket Robinson and the pharaoh s fortune

By Sean O Neill

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Upon finding a note written in hieroglyphics, Rocket Robinson and his pet monkey team up with gypsy girl Nuri in 1933 Cairo to unscramble the code and locate an ancient pharaoh's fortune before thi...

Muscle for Hire

By Sean O Neill

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Clever Limericks for Childish Adults

By Sean O Neill

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How to Write an Essay

By Sean O Neill

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50 Things You Didn t Know about Ancient Greece

By Sean O Neill

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Northern Ireland Points of View

By Sean O Neill

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Suicide Factory

By Daniel McGrory, Sean O Neill

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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.