Really well written, by one of the Google Analytics creators,
Advanced Web Metrics with Google Analytics
is a complete guids on the web analysis topic.
Do you have to build a landing page? Which are the best
How to get the resources? Hot to measure the success and the ROI?
Landing Page Optimization
is the book to read, but I warn you that being this book a complete
reference, sometimes especially when it comes to statistics, it becomes a
little bit "hard" to read.