Eric S. Trautmann Books

Crimson Skies

By Mike Lee, Eric Nylund, Eric S. Trautmann, Eric S. Nylund, Nancy Berman

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welcome To The World Of Crimson Skies. The United States Is A Land Torn Apart By Epidemic And War. With Chaos On The Ground, America’s Highways Have Been Forced Into The Skies, A Lawless New Fronti...

The Art Of Halo

By Eric Trautmann, Eric S. Trautmann

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When Halo® hit the shelves with the launch of the Xbox® in 2001, it was an immediate sensation. This action-packed science fiction—military combat game, set on a distant, war-torn, artificial plane...

Perfect Dark

By Microsoft

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Perfect Dark

By Prima Games

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Perfect Dark

By Prima Games

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Perfect Dark

By Prima Games

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Perfect Dark

By Prima Games

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Perfect Dark

By Prima Games

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Perfect Dark

By Eric S. Trautmann

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Fragments from the Rim Star Wars RPG Galaxy Guide 9

By Eric S. Trautmann, Simon Smith

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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.