Green Ronin Publishing Books

Pocket Grimoire Arcane

By Green Ronin Publishing

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Sigmar s Heirs

By Green Ronin Staff

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Warhammer RPG: Karak Azgal

By Green Ronin Publishing, Evan Sass, Robert J. Schwalb, Green Ronin, William Simoni

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This adventure and setting sourcebook for Warhammer Fantasy Roleplay contains maps of the city and its mines and caverns, extensive tools for creating adventures in Karak Azgal, detailed lairs for...

Warhammer Fantasy Roleplay Character Record Pack

By Green Ronin

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Buccaneers Of Freeport

By Thompson, Ari, Green Ronin Publishing, Anthony, Robert Vaughn, Anthony Pryor, Robert J. Schwalb, Ari Marmell, Pryor, Rodney Thompson, Robert Vaughn [Actor], Marmell

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Set Sail for Adventure! If Freeport is known for anything, it's pirates. Sure, the city has a history of attracting criminal groups, corrupt merchants, and politicians—to say nothing of subversive...

The Pirate s Guide to Freeport

By Robert J. Schwalb, Chris Pramas, Patrick O Duffy, Wayne Reynolds

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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.