Patrick O'Neill Books

Henry Handel Richardson: The Letters, Vol. 1: 1874-1915

By Patrick O Neill, Rachel Solomon, Henry Handel Richardson, Ethel Florence Lindesay Richardson

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Henry Handel Richardson: The Letters, Vol. 2: 1917-1933

By Patrick O Neill, Rachel Solomon, Henry Handel Richardson

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Fictions of discourse

By O Neill Patrick

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The fundamental principle upon which contemporary narratology is constructed is that narrative is an essentially divided endeavor, involving the story ('what really happened') and the discourse('ho...

Gunter Grass

By O Neill Patrick

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Gunter Grass revisited

By O Neill Patrick

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Negotiating consent in psychotherapy

By O Neill Patrick

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Negotiating consent in psychotherapy

By O Neill Patrick

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Critical essays on Gunter Grass

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Ireland and Germany

By O Neill Patrick

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Rott Zone

By Patrick O Nelli

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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.