George R.R. Martin Books

Hunter's Run

By George R. R. Martin

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Hunter's Run

By George R. R. Martin

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Songs of the Dying Earth

By George R. R. Martin

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Songs of the Dying Earth

By Gardner R. Dozois, George R. R. Martin

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HBO’s hit series A GAME OF THRONES is based on George R. R. Martin’s internationally bestselling series A SONG OF ICE AND FIRE, the greatest fantasy epic of the modern age. A GAME OF THRONES is the...

A Song of Ice and Fire (1) - A Game of Thrones

By George R. R. Martin

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A Game of Thrones

By George R. R. Martin

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A Feast for Crows

By George R. R. Martin

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A Game of Thrones

By George R. R. Martin

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As Warden of the north, Lord Eddard Stark counts it a curse when King Robert bestows on him the office of the Hand. His honour weighs him down at court where a true man does what he will, not what...

A Game of Thrones: The Story Continues

By George R. R. Martin

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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.