Starfinder Interstellar Species adds an array of aliens to the mix for use in game sessions. This rulebook offers a deep dive into the 25 playable Starfinder species and has new options for seven Starfinder character classes. Players can create their own playable species, and this book also has a catalog of around 100 thematic NPC characters. The new class featured in this book is the evolutionist, a character that can transform themselves over time.
This book will retail for $44.99.
Paizo's Pathfinder RPG was among the Top 5 RPGs from Fall 2021 (see "Top 5 Roleplaying Games - Fall 2021").