What is best book for Internet marketing or digital marketing?

There are many books available on digital marketing

I see following to my liking:

Social Media ROI (Olivier Blanchard)

Utility:Why Smart Marketing is about Help not Hype(Jay Baer)

Web Analytics2.0 by Avinash Kaushik also can help lot to get better insights. Even google suggests that in their analytics tutorial.

Permission Marketing (Seth Godin)

Contagious: Why Things Catch On (Jonah Berger)

YOUtility: Why Smart Marketing is about Help Not Hype (Jay Baer)

both of them  but i prefar E MARKETING