To advance in the game you will need to read many books. Here you can find a list of book sellers and the books which can be found at each.
Dan - Books on Weapon and Armor Construction[]
White Stone City - [109,691]
Frukas - Books on Biology, Alchemy, and Potions[]
Grahm's Village, White Stone - [124,130]
Itilli - Books on Jewel Embedding, Medallion and Ring Building[]
Tarsengaard [183,315] inside the Magic School [25,43].
Nahark - Books on Fighting and Summoning[]
Ywarstav, Grubani Peninsula - [67,116]
The general rule of thumb is that if she does buy a book, it will be for 10% of the listed NPC Price.
- Example: Crystal Technology costs 30gc from Brogan. Telia will buy that book for (30 gc * 10%), or 3gc.