Monte Cook
50 books • 17 series
Arcana Evolved S.
d20 Generic System S.
d20 Generic System S.
d20 Generic System S.
d20 Modern S.
Dark Matter S.
Book #4: Of Aged Angels
Dungeon Crawl Classics
Book #50: The Vault of the Iron Overlord
Dungeons & Dragons
Dungeons & Dragons S.
Book #2: Dungeon Master's Guide
Forgotten Realms S.
Harpers
Monte Cook's Arcana Unearthed
The Numenera
Book #1: Numenera - The Poison Eater
Book #2: The Night Clave