What does the woman do according to the dialog?

M: Excuse me, I can’t find a book called The sound Pattern of English by Noam Chomsky and another called General Linguistics by Ferdinand de Saussure.
W: Well, let me see-Oh, the first one you want has been borrowed and you can find the latter on the 23rd bookshelf.
M: How long can I keep it?
W: Two months. If you can not finish it in the due time, you can come and renew it for one more month.