Eric S. Nylund Books

Halo

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Before the Human-Covenant War engulfed Halo, the planet-colony Reach came under attack by the Covenant, and Earth's specially trained and augmented warriors, code-named SPARTANs, stood alone to fig...

Halo the Fall of Reach Halo

By Eric S. Nylund

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Halo First Strike Halo

By Eric S. Nylund

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Halo the Fall of Reach Halo

By Eric S. Nylund

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Halo First Strike Unabridged Halo

By Eric S. Nylund

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The Resisters

By Eric Nylund

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Ghosts of Onyx Halo

By Eric S. Nylund

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Halo

By Eric S. Nylund

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Halo

By Eric S. Nylund

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Halo

By Eric Nylund

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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.