Graham Payn Books

The Noel Coward Diaries

By Noel Coward, Sheridan Morley, Graham Payn

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Other men made fabulous careers out of the opportunities Noel Coward declined. But Coward's inner compass charted him on his own course to greatness. And when he couldn't find the destination on hi...

My Life with Noel Coward

By Noel Coward, Graham Payn

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Noel Coward Diaries

By Sheridan Morley, Graham Payn

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Noel Coward Diaries

By Sheridan Morley, Graham Payn

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My Life with Noel Coward

By Graham Payn

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My Life with Noel Coward

By Graham Payn

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My Life with Noel Coward

By Noel Coward, Graham Payn

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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.