I think the answer would be a because there would be more attention brought to the subject.
Yes, Tara owns the books. So books has an apostrophe with it.
Dear Romeo,
I never thought that my life wasn't being lived until I met you. I came to the realization that my life is now just beginning as we progress in a series of love festivities. I will never forget you, our souls are forever intertwined.
Love, Juliet
