Google Analytics Book and Whitepapers
The GA Experts Team is led by Brian Clifton (PhD), former Head of Web Analytics EMEA, Google. Brian is also the author of the best selling book Advanced Web Metrics with Google Analytics and regular writer on his blog: Measuring Susscess.
Advanced Web Metrics with Google Analytics (Wiley 2012)
by Brian Clifton
The content covers the whole spectrum of web analytics using Google Analytics - from initial planning & strategy considerations, to GA best practice implementation, advanced configuration, hacks (workarounds), KPIs and real world usage, including analyst tasks such as identifying poor performing pages and funnel optimisation.
The 3rd edition (2012), is used by students and professionals world-wide.
Free Whitepapers (PDF) - Written in-house by Brian Clifton
Other recommending reading (all links go to Amazon)