Kobold Guide to Game Design

2019

Player's Handbook - Deluxe Edition

A 4th Edition Core Rulebook

2008

4th Edition Player's Handbook Collection

4th Edition D&D Core Rulebooks

2009

13th Age Core Book

2013

The Plane Above

Secrets of the Astral Sea: A 4th Edition D&D Supplement

2010

Monster Manual V

2007

Martial Power

A 4th Edition D&D Supplement

2008

Monster Manual 2

A 4th Edition D&D Core Rulebook

2009

13th Age Glorantha

2018

Divine Power

A 4th Edition D&D Supplement by Rob Heinsoo

2009

13th Age Bestiary

2014

Adventurer's Vault 2

A 4th Edition D&D Supplement

2009

13th Age 2e

Heroes' Handbook

2026

Dungeons & Dragons

Underdark

2010