From publisher blurb:
Lands of Legends - Primeval is part of the Lands of Legends series: the ultimate toolkit and game aid for your OSR campaigns.
This book contains 100 special areas and 100 unique encounters, sorted by terrain type and organized as d10 tables.
Special areas are designed to help you create an immersive sandbox setting, where every mountain, swamp, island, forest, city, desert etc is unique and interesting.
Unique encounters are designed to be used straight away while playing, and offer interesting and story-enhancing situations. No more boring random monsters! Have your group face unforeseen hazards, interesting NPCs, and puzzling situations.
Lands of Legends - Primeval is the perfect book to unleash the raw, prehuman, tumultuous forces of primeval civilizations and antediluvian elemental chaos into your OSR campaign!