Old School Essentials - Core Rules

Hardcover, NM Condition. This is the 2019 1st printing.
 
Old-School Essentials is a modular game where the core rules of the game are extended by additional "rules modules" which add content for different genres of fantastic adventure. This book contains the core rules of the game which all other rules modules build upon. Contains rules for character creation and advancement, adventuring in dungeons, the wilderness, and at sea, magic and combat.