by Steven D. Levitt and Stephen J Dubner
A straightforward read about what happens when you use the data available to answer interesting questions. The key being that you need to know to ask these interesting questions in the first place.
In the data driven world we now live in it is on the one hand now not that exceptional, 20 years after it's first publication. On the other hand it underlines the need to ask interesting questions if we are going to make good use of all this data.
One of the added on chapters included the question "Why do people vote when no single vote ever really matters". Whilst the point being is valid, in reality every vote counts. As the recent, potentially manipulated by targeted advertising, vote on Brexit showed.