I've been invited to another fight it seems

I came home from work today and found a package on my steps. Inside the bag were small photo albums that I had made and given to my mother over the past 4 years. There were also some in frames. Most are photos of my daughter, and a few are of me, my brother, my (late) grandmother, and my mom. The letter explains that some of these are duplicates, but I know I only gave her one "Christmas 2008" album.

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The letter also says things like she wishes we could be friends in spite of our differences but she doesn't want to get too involved either. She says something negative about her own mother which of course I disagree with. She says she misses her granddaughter.

Really??? Then why did she come over to the house and return all these pictures that we sent her as gifts?
I think she expected me to call her, and part of me thinks that I am "supposed to" call her. That's the polite thing, right? I am too angry though. I can't think of anything nice to say. It wasn't nice of her to give back the gifts we gave her. I don't feel like saying "thank you" for that. So I haven't called her. I don't want to fight. The package seems to have a dual message to me. It feels like she is saying "I hate you" and "I miss you" at the same time, and I don't know what to do with that.

I have to remind myself that we aren't speaking for a reason. She lies to me, she called me bad names, she is dishonest and mean. I can't trust her and I know she will hurt me. Even though she seems to be reaching out to me I have to protect myself, and my family. So the phone stays silent and I feel guilty about it.

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