A new book from Hofstadter

I Am a Strange Loop by Douglas Hofstadter

On the nature of human consciousness and its relation to empathy.

And if you like to read what AI thinks of emotions, check this one out (for free):
The Emotion Machine 2006 (book) draft ( 0 1 2 3 4 5 6 7 8 9 Bib )
by Marvin Minsky