Eric Nylund Books

All that lives must die

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Twins Eliot and Fiona Post, children of the goddess Atropos and the fallen angel Lucifer, face their toughest ordeal yet--high school at the Paxington Institute, where magic wielders learn to harne...

Ghosts Of Onyx

By Eric Nylund, Eric S. Nylund

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The Spartan-II program has gone public. Tales of super-soldiers fending off thousands of Covenant attacks have become the stuff of legend. But just how many Spartans are left? While the Master Chie...

Halo: The Fall Of Reach

By Eric Nylund, Eric S. Nylund

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As the bloody Human-Covenant War rages on Halo, the fate of humankind may rest with one warrior, the lone SPARTAN survivor of another legendary battle . . . the desperate, take-no-prisoners struggl...

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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Halo Evolutions

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Ghosts of Onyx Halo

By Eric S. Nylund

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Operation first strike

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.