Nightlands

https://palladium-store.com/1001/product/732-Nightbane-2-Nightlands.html

Non-Rifts Sourcebooks
Nightbane Nightbane Role-Playing Game Nightbane World Book 1: Between the Shadows Nightbane World Book 2: Nightlands Nightbane World Book 3: Through the Glass Darkly Nightbane World Book 4: Shadows of Light Nightbane® Survival Guide Dark Designs