From publisher blurb:
Tephra: the Steampunk RPG needs only a single book to be played: your Playing Guide. This 288-page book is gorgeous, with the award-winning Clockwork Roleplaying System and a ton of lore and art that makes Tephra a fan-favorite setting.
This book includes everything you need to play, from our rapid-fire character creation system to a full chapter on narrating and everything in-between. You're going to get our line-up of unique races, crazy characters options, and the most in-depth and complete crafting system you'll find anywhere. This book has everything you need for the most intoxicatingly exciting steampunk adventures you can dream up.