John Harwood Books

Confused and disoriented, Georgina Ferrars awakens in a small room in Tregannon House, a private asylum in a remote corner of England. She has no memory of the past few weeks. The doctor, Maynard S...

Olivia Shakespear and W.B. Yeats

By John Harwood

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Eliot to Derrida

By John Harwood

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Eliot to Derrida is a sardonic portrait of the cult of the specialist interpreter, from I. A. Richards and the Cambridge School to Jacques Derrida and his disciples. This lucid, iconoclastic study...

Eliot to Derrida

By John Harwood

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Eliot to Derrida is a sardonic portrait of the cult of the specialist interpreter, from I. A. Richards and the Cambridge School to Jacques Derrida and his disciples. This lucid, iconoclastic study...

Olivia Shakespear and W.B.Yeats

By John Harwood

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Eliot to Derrida

By John Harwood

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Eliot to Derrida

By John Harwood

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Lipid Biochemistry

By Mike Gurr, M. I. Gurr, John Harwood

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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.