Conor Kostick Books

The Dragon s Revenge

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Willkommen in Epic. Das Spiel kann beginnen ... Epic ist mehr als ein Computerspiel. Auf Neuerde, einem Planeten irgendwo im Universum, ist Epic eine Frage von Leben und Tod. Die Menschen, die hier...

Edda. Kroniki Awatarow. Czesc III polish

By Conor Kostick

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Edda

By Conor Kostick

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Saga

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Crusades and the near East

By Conor Kostick

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Edda

By Conor Kostick

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In the virtual world of Edda, ruler Scanthax decides he wants to invade another virtual world, embroiling the universes of Edda, Saga, and Epic in war, with only three teenagers to try to restore p...

Saga

By Conor Kostick

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On Saga, a world based on a video role-playing game, fifteen-year-old Ghost lives to break rules, but the Dark Queen who controls Saga plans to enslave its people and those of New Earth, and Ghost...

Revolution in Ireland New Ed

By Conor Kostick

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History of Irish Book Publishing

By Conor Kostick, Tony Farmar

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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.