Old-School Essentials Referee's Book [2026 Printing]

your fiendish minions, and prime your traps. Glory, wonder, and doom await!

• This book contains full guidelines for creating adventures and running campaigns, over 330 fearsome monsters, and over 300 wondrous magic items.
• Simple rules let imagination and fast-paced action take the spotlight.
• Clear, modern presentation makes the game easy to learn and quick to reference.
• 100% compatible with the 1980s D&D rules and with decades of classic adventures and supplements.
  

Core book 2 of 2. Referees also need the Old-School Essentials Player’s Book.

Format: 256-page hardcover; A5 (Digest) size; deluxe quality sewn binding; 2 ribbon markers; endpapers printed with quick reference info.
Authors: Gavin Norman. Cover artist: Peter Mullen.