A Mathematician Reads the Newspaper by John Allen Paulos
Paulos uses numeric wisdom to tear apart the myths and distortions that commonly appear in the daily newspaper. Much of this is basic statistical analysis and much of it is simple common sense combined with a solid backing of numeracy, but even I was surprised to note how many halftruths dot the pages of the news sources that most people trust without question.
Other books by
John Allen Paulos:
Category  Title  Author  Rating  Description 

Mathematics  Innumeracy  John Allen Paulos 

Most people would be embarrassed to state that they were illiterate; why then do most wear innumeracy like a badge of... 
Mathematics  A Mathematician Plays the Stock Market  John Allen Paulos 

If you have any stock market investments, read this book. 