Gillian Cross Books

Twin and super twin

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The interaction between two street gangs is dynamically affected when David, one of a set of twins, finds his arm transforming into a snake, sausages, and other bizarre objects.

Born of the Sun

By Gillian Cross

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On the edge

By Gillian Cross

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Two young people discover unknown strengths inside themselves when one is kidnapped and the other tries to save him.

The Dark Ground Trilogy: Book One

By Gillian Cross

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Upon waking up naked and alone in a thick jungle, Robert remembers being in a plane with his family but finds no sign of a crash or survivors, then he discovers that he is in an alien place and nee...

The nightmare game

By Gillian Cross

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Robert tries to get answers from Magee, the strange man he met on the airplane, and works with Tom and Emma to try to rescue Lorn and the others before winter arrives, while Lorn takes it upon hers...

Wolf

By Gillian Cross

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Cassy is forced to stay with her mother in a squatter's settlement of artists, where she joins the group in producing an educational program about wolves and inadvertently learns that her missing f...

The Goose Girl Everystory S.

By Gillian Cross, Wilhelm Grimm, Brothers Grimm

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The Dark Behind the Curtain

By Gillian Cross

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School Stories

By Gillian Cross

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Tightrope Harper Trophy Books

By Gillian Cross

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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.