One Book to Another

She sat near the corner of the diner studying away another day. Her coffee was still pretty full (and probably cold by this point) and the cheesy eggs were all gone. The mid-day sun, illuminated outside her silhouette when she was interrupted by the more than empathetic waitress trying to offer a warmer cup of joe. Looking up, she seemed agitated. She closed one book and opened another. This subject apparantly went right over her head today. I was finishing up my sandwich when I heard her shout, "WHAT DOES THAT EVEN MEAN?" And then she laughed...