For people who are disappointed by the shallowness of it, I recommend supplementing it with the notes to his Stanford class: <a href="http:&#x2F;&#x2F;cs229.stanford.edu&#x2F;materials.html" rel="nofollow">http:&#x2F;&#x2F;cs229.stanford.edu&#x2F;materials.html</a>. The combination worked well for me.