Daniel Abraham Books

Judge of Worlds

By Daniel Abraham

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The widow s house

By Daniel Abraham

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Lord Regent Geder Palliako's war has led his nation and the priests of the spider goddess to victory after victory. No power has withstood him, except for the heart of the one woman he desires. As...

Widow s House

By Daniel Abraham

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Spider s War

By Daniel Abraham

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Spider s War

By Daniel Abraham

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A Game of Thrones: The Graphic Novel: Volume Two

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#1 NEW YORK TIMES BESTSELLERNovelist Daniel Abraham and illustrator Tommy Patterson are not merely turning George R. R. Martin’s epic fantasy A Game of Thrones into a graphic novel: They are meticu...

Dragon s Path

By Daniel Abraham

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King s Blood

By Daniel Abraham

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Tyrant s Law

By Daniel Abraham

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Shadow and Betrayal

By Daniel Abraham

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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.