Of all the incomprehensible words, Kenshiro understood two things: somewhere in this world there is a land similar to Taos, and he is not the only one who has come here from another world. It was not yet clear what he should do with this information, but it was clear that the princess's opportunities and goals were beyond his understanding. The samurai stood up and prepared to listen further.
From these books, the alien character can learn all the information described on the first page of the topic. This does not cost any Action Points.