Gillian Shields Books

Starlight Baby

By Elizabeth Harbour, Gillian Shields

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Ellie and the secret potion

By Gillian Shields

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Ellie and her friends are on their way back to Coral Kingdom with the magic crystals for Queen Neptuna, when a storm is whipped up by the evil Mantora which throws them right off course. Ellie and...

Lucy and the Magic Crystal Mermaid SOS

By Gillian Shields

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Katie and the Snow Babies Mermaid SOS

By Gillian Shields

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Library Lily

By Gillian Shields

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From the day her mother introduces her to the library, Lily wants to spend all of her time reading until she meets Milly, who hates reading but loves adventure.

Big Sister Little Sister

By Gillian Shields

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Big Sister Little Sister

By Gillian Shields

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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.