Patrick Nielsen Hayden Books

Starlight 1

By Patrick Nielsen Hayden

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Starlight 1

By Patrick Nielsen Hayden

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Starlight 3 Starlight

By Patrick Nielsen Hayden

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New Magics

By Patrick Nielsen Hayden

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New Skies

By Patrick Nielsen Hayden

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New Skies

By Patrick Nielsen Hayden

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The years best science fiction and fantasy for teens

By Garth Nix, Patrick Nielsen Hayden, Jane Yolen

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A collection of science and fantasy fiction from some of today's most popular writers, including Garth Nix, David Gerrold, and Delia Sherman.

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.