Jostein Gaarder Books

Ringmasters Daughter

By Jostein Gaarder

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Orange Girl

By Jostein Gaarder

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The Orange Girl

By Jostein Gaarder

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Through a glass darkly

By Jostein Gaarder

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The author of Sophie's World presents conversations about life and death between a girl and an angel. The death of a teenage girl from cancer is, in Gaarder's hands, an occasion to reflect on the m...

Through a Glass Darkly Camden

By Jostein Gaarder

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Hello Is Anybody There

By Bill Wallis, Jostein Gaarder

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Hello Is Anybody There Galaxy Children s Large Print

By Jostein Gaarder

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Sophie s World

By Paulette Moller, Jostein Gaarder

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The Christmas Mystery

By Jostein Gaarder

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Solitaire Mystery The

By Jostein Gaarder

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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.