Jason Engle Books

Starfinder Flip-Tiles: Space Station Emergency Expansion

By Stephen Radney MacFarland, Jason Engle

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It’s an emergency in space! Next time your players are ready to explore a space station’s depths, they won't have to wait for you to surprise them with dangers in the next corridor or compartment....

Pathfinder Flip-Mat: Underground City Multi-Pack

By Stephen Radney MacFarland, Jason Engle

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Be they complex fortified settlements built ages ago by long-gone ancients or more recent creations still populated by a vibrant society, underground cities present an unusual and complex adventuri...

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.