So now both H & P working at Google? (Though I don't know enough about corporate board stuff to tell if chairman is "working for")
https://deepmind.com/blog/wavenet-launches-google-assistant/
From what little I've read of it for my classes in the subject, it's well written and accessible.
I'm a CS PhD student, but my undergrad and master's are in physics, so I didn't go through all of the same steps many did in their CS curricula.
Agree with gp, very well written text. Probably the only class textbook that I have actually read entirely. (10 years ago or whatever)