Sophie Hannah Books

Keep her safe

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The girl Cara Burrows saw alive and well in a hotel room is the most famous murder victim in the country--Melody Chapa, whose parents are serving natural life sentences for her murder. Did she real...

The mystery of three quarters

By Sophie Hannah

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"The world's most beloved detective, Hercule Poirot--the legendary star of Agatha Christie's Murder on the Orient Express and most recently The Monogram Murders and Closed Casket--returns in a styl...

The mystery of three quarters

By Sophie Hannah

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"Returning home one day, Hercule Poirot finds a furious woman demanding to know why Poirot has accused her of murdering a man she has never met. Poirot has certainly accused nobody of murder. Shake...

The Next to Die

By Sophie Hannah

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The Killings at Kingfisher Hill

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The Couple at the Table

By Sophie Hannah

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The Couple at the Table

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Gripless

By Sophie Hannah

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Cordial and Corrosive

By Sophie Hannah

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The Superpower Of Love

By Sophie Hannah

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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.