Siobhan Roberts (2015) A playful biography of one of the most creative mathematicians of modern times. Both the title and sub-title are plays on words, which I'm sure Conway himself enjoyed. He is seen here as a genius playing with ideas, but his genius manifested itself through games, of which he was a prolific inventor; he was curious about everything he encountered, but was also unusual in the ways in which his mind approached challenges and indeed in what he saw as challenges. It's hard t...