Thinking with Data
Description: Thinking with Data by Max Shron focuses on prioritizing questions and reasoning in data analysis, emphasizing the importance of understanding purpose before applying technical methods for cleansing, modeling, and visualization
ISBN: 0636920029182
http://shop.oreilly.com/category/get/data-science-kit.do
Thinking With Data's a great introduction too.
http://shop.oreilly.com/product/0636920029182.do