Joseph Blomquist Books

Starfinder RPG: Mechageddon! Adventure Path

By Rigby Bendele, Dennis Muldoon, Kate Baker, Diego Valdez, Christopher Wasko, Joseph Blomquist, Paizo Staff, K Fox, Jenny Jarzabski, Anthony Dollinger, Mikko Kallio, Nicholas Wasko

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Suit Up, Save the World! On a rugged planet crawling with colossi—terrifying kaiju that demolish cities with fearsome power—courageous mech pilots battle monsters to protect the world’s people. A...

Starfinder RPG

By Rigby Bendele, Paizo Staff, Anthony Dollinger, Kate Baker, Joseph Blomquist

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Smallville Roleplaying Game

By Roberta Olson, Joseph Blomquist, Cam Banks, Josh Roby, Mary Blomquist, Tiara Lynn Agresta

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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.