Brent Holtsberry Books

Pathfinder RPG Guns &Amp; Gears (Remastered) (P2)

By Steven Hammond, John Compton, Luis Loza, Andrew D. Geels, Dustin Knight, Michael Sayre, Sen H.H.S., Jason Keeley, Jessica Catalan, Mark Seifter, Logan Bonner, Brent Holtsberry

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Gear Up and Throw Down! When sword and spell just won't be enough to win the day, it's time to power up your game with clockwork gears, lightning coils, and black powder! Guns & Gears (Remastered),...

Pathfinder RPG: War Of Immortals (P2)

By Steven Hammond, Erik Mona, Luis Loza, James Case, Michael Sayre, Jason Keeley, Steven Helt, Liane Merciel, Jessica Catalan, Paizo Staff, Michelle Y. Kim, Matt Chapmond, Brent Holtsberry, James Case, Michelle Y Kim, Luis Loza, Erik Mona, Liane Merciel, Michael Sayre, Jessica Catalan, Matt Chapmond, Steven Hammond, Steven Helt, Brent Holtsberry, Jason Keeley

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Go Beyond Legendary! A god has been slain and nothing shall ever be the same again! As war and destruction spread across the world, new heroes must rise to the occasion and take arms to protect its...

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.