Sinead O Hart Books

The Starspun Web

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For fans of Ophelia and the Marvelous Boy comes a thrilling adventure about a brave girl who finds a portal to parallel worlds, and must protect her secret from the evil forces trying to capture it...

Ravens Call

By Collins Big Cat, Maria Brzozowska, Sinead O Hart

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Ravens Call

By Collins Big Cat, Maria Brzozowska, Sinead O Hart

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Eye of the North

By Sinead O Hart

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Starspun Web

By Sinead O Hart

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Time TiderThe Time Tider

By Sinead O Hart

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The Silver Road

By Sinead O Hart

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The Eye of the North

By Sinead O Hart

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For fans of Karen Foxlee’s Ophelia and the Marvelous Boy comes a rollicking debut about a young girl’s adventures in the far reaches of the icy north.   When Emmeline’s scie...

The Starspun Web

By Sinead O Hart

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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.