The Game Master’s Handbook of Proactive Roleplaying: Guidelines and strategies for running PC-driven narratives in 5E adventures (The Game Master Series)

Live to Tell the Tale: Combat Tactics for Player Characters (The Monsters Know What They’re Doing Book 2)

Dungeons and Dragons The Legend of Drizzt Visual Dictionary

Dungeons & Dragons Encyclopedia

So You Want To Be A Game Master: Everything You Need to Start Your Tabletop Adventure for Dungeons and Dragons, Pathfinder, and Other Systems

The Great Book of Random Tables: Second Edition: 173 System-Agnostic Random Tables for Fantasy Role-Playing Games (The Books of Random Tables)

Critical Role: Vox Machina Origins Library Edition: Series I & II Collection

The Game Master’s Book of Villains, Minions and Their Tactics: Epic new antagonists for your PCs, plus new minions, fighting tactics, and guidelines ... RPG adventures (The Game Master Series)

Wizards & Spells (Dungeons & Dragons): A Young Adventurer's Guide (Dungeons & Dragons Young Adventurer's Guides)

Beasts & Behemoths (Dungeons & Dragons): A Young Adventurer's Guide (Dungeons & Dragons Young Adventurer's Guides)