248-page hardcover; A5 (Digest) size; deluxe quality sewn binding; endpapers printed with quick reference info. 

This book contains full guidelines for creating and running adventures, over 300 fearsome monsters, and over 300 wondrous magic items.

• Includes all referee guidelines, monsters, and treasures from Old-School Essentials Classic Fantasy, plus loads of extras inspired by the 1970s Advanced 1st Edition rules.
• Simple rules let imagination and fast-paced action take the spotlight.
• Clear, modern presentation makes the game easy to learn and quick to reference.
• Compatible with decades of classic adventures and supplements.

Requires the companion Advanced Fantasy Player's Tome.