Made at the Writing Desk from 1 Alchemy Flasks II, 1 Blank Softcover Notebook and 2 Ink. Sold by the Alchemist. Each one loaded into the Study Table adds 60 Science.
A trader pays three quarters of its own price at its usual stock. Each one it already holds beyond that, and each one in the same sale, lowers the price; a trader short of stock pays more, never more than its base price.