Sean Schoonmaker Books

Dark Heresy RPG: The Inquisitor'S Handbook

By JOHN FRENCH, Black Industies, Mike Mason, Andy Hall, Andrew Kenrick, Alan Bligh, Owen Barnes, Robert J. Schwalb, Black Industries, T. S. Luikhart, Tim Huckelbery, Sean Schoonmaker

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Inquisitor'S Handbook

By JOHN FRENCH, Mike Mason, Andy Hall, Andrew Kenrick, Alan Bligh, Owen Barnes, Tim Huckelbery, Sean Schoonmaker, Bligh, Alan, Alan Bligh, Owen Barnes, John French, Andy Hall, Tim Huckelbery, Andrew Kenrick, Mike Mason, Sean Schoonmaker, T.S. Luikhart, Robert J. Schwalb

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The first follow-on sourcebook to the Dark Heresy line, the Inquisitor's Handbook is an interesting lot of player options that generally add good flavor to the universe, but can ultimately be skipp...

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.