Gillian Summers Books

The quicksilver faire

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At the Fairy High Court, sixteen-year-old Keelie Heartwood learns that her mission in Canada is not to settle a conflict between the elves and the fae, both of whose blood she shares, but to resolv...

The goblin s curse

By Gillian Summers

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Sixteen-year-old Keelie is glad to be back at Colorado's High Mountain Renaissance Faire for the summer but her pet goblin, Cricket, is not welcome, especially after rumors spread of a nearby gobli...

Tree Shepherd s Daughter

By Gillian Summers

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Into the Wildewood

By Gillian Summers

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Secret of the Dread Forest

By Gillian Summers

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Tree Shepherd s Daughter

By Gillian Summers, Berta Platas

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Into the Wildewood

By Gillian Summers, Berta Platas

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Into the Wildewood

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La fille du berger des arbres

By Gillian Summers

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Californie pour vivre avec son père nomade dans un festival médiéval au Colorado. Remettre en scène la période du bas Moyen Âge est pour une fille de Los Angeles le pire des cauchemars. Keelie poss...

Queen of the Faire

By Gillian Summers

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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.