A Society Mage that specialises in Guides and Books.
A Guide to Plants and Fungi (Advantage on Nature checks when researching)
A Modern Guide to Religion in The Western Kingdoms (Advantage on Religion checks when researching)
Libram of Charm and Cunning, a 3-part set. +2 to Charisma once all 3 books have been collected and read. Rare for a signle volume and Very Rare for the complete works.