From publisher blurb: Madame Mombi is back with a another collection of arcane items and unusual trinkets! This time she has a collection of bizarre tomes she has collected from across the lands of Vathak. Madame Mombi's Forbidden Tomes brings you 10 mystical spellbooks. Each book has a detailed description and history. You'll also find what spells the book contains, sanity loss and time to study the text, as well as what preperations spells you can unlock. Madame Mombi's Forbidden Tomes is for the Shadows over Vathak Setting or any Pathfinder Roleplaying Game.