University

Hint 1 of 4:

There are two ways you can get here.  The first is to visit the bookstore on
day 2.  Horner will tell you about the university.

Hint 2 of 4:

Or you can wait until you have a real need to visit.

Hint 3 of 4:

Like a book that you can't translate.

Hint 4 of 4:

You'll find a manuscript in the bookstore on day 3.  See the questions about
how to keep the group together at the Harkers' house if you don't have it.