[X] "Thaumaturgy: Theory and Practice of the Mystic Arts" By D. G. Porter (Gains skill Thaumaturgy: 6) The Theory of the underlying "physics" on magic. Allows the user to quickly identify spells, understand their ramifications, and possibly even create new spells if they have enough time and patience.
[X] "Stuffing Money into Briefcases and Other Skills An Accountant Needs" By Anton Contanti (Gains the skill Finance: 8) Knowledge on the practical side of economics, brokering financial deals, seeing irregularities in financial transactions, and raising capital.