Recreational Mathematics

People Maths: Hidden Depths

By Alan Bloomfield, Bob Vertes

Why England Lose: And other curious phenomena explained

By Kuper, Simon, Szymanski, Stefan

A Mathematician Reads the Newspaper: Making Sense of the Numbers in the Headlines (Penguin Science)

By Paulos, John Allen

Mathematical Circus: More Games, Puzzles, Paradoxes and Other Mathematical Entertainments from "Scientific American"

By Martin Gardner