John Baxter Stringfellow Books

War

By Andrew Getting, Jim Pinto, Douglas Sun, Travis Heermann, Rich Wulf, Peter Flanagan, Mike Mearls, John Baxter Stringfellow, Eric Steiger, Peter Flanagan, Andrew Getting, Travis Heermann, Mike Mearls, Jim Pinto, John Baxter Stringfellow, Eric Steiger, Douglas Sun, Rich Wulf

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Fight. Fight. Fight. Fight. Pages of combat. AEG's latest in a long line of d20 related sourcebooks, this book gives GMs rules for mass combat, the causes and effects of war, more prestige classes,...

Monster

By Andrew Getting, Jim Pinto, Douglas Sun, Ree Soesbee, Travis Heermann, Aeg, Peter Flanagan, Mike Mearls, John Baxter Stringfellow, Eric Steiger

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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.