Deryn Edwards Books

Grace the Sea Sister

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Evil sorceress Morgana Le Fay has imprisoned the Spell Sisters of Avalon throughout the kingdom and stolen their magical powers. It's up to Gwen, her best friend Flora and a very special horse name...

Murder by Magic

By Deryn Edwards, Lesley Cookman

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Murder to Music

By Deryn Edwards, Lesley Cookman

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Horror Holiday

By Deryn Edwards, A. B. Saddlewick

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Murder in the Afternoon

By Deryn Edwards, Frances Brody

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Ruin of Stars

By Deryn Edwards, Linsey Miller

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Rise Up Women

By Deryn Edwards, Diane Atkinson

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Between the Lies

By Michelle Adams, Deryn Edwards

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Times Tables

By Mark Meadows, Deryn Edwards

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Twinkle Twinkle, Little Star: Bedtime Songs and Lullabies

By Deryn Edwards

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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.