Yrsa Sigurdardottir Books

Someone to watch over me

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A creepy, compelling thriller, Someone to Watch Over Me is the fifth Thora Gudmundsdottir novel from Yrsa, 'Iceland's answer to Stieg Larsson' (Daily Telegraph). Berglind hurried to her son and pul...

The silence of the sea

By Yrsa Sigurdardottir

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A luxury yacht arrives in Reykjavik harbour with nobody on board. What has happened to the crew, and to the family who were on board when it left Lisbon? Thora Gudmundsdottir is hired by the young...

The Silence of the Sea: Thora Gudmundsdottir Book 6

By Yrsa Sigurdardottir

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The Undesired

By Victoria Cribb Translator Yrsa Sigurdardottir

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The Day is Dark

By Yrsa Sigurdardottir

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Ashes to dust

By Yrsa Sigurdardottir

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Last Rituals

By Yrsa Sigurdardottir

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Indesirable

By Catherine Mercy, Yrsa Sigurdardottir

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ADN

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Absolution

By Veronique Mercy, Catherine Mercy, Yrsa Sigurdardottir

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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.