Anna's logs
Anna's logs were logs kept by a Human woman named Anna during her seven year stay on Iyar, following the crash landing of her starship.
The logs were located by the Iyaarans, who were unable to understand several concepts she discussed; pleasure, antagonism, and love among them. It was for this reason that Byleth, Loquel, and Voval were sent in 2370 to learn about these concepts firsthand from the crew of USS Enterprise-D. (TNG: "Liaisons")