'Tap Dancing to Work: Warren Buffett - 1966-2012' - Carol Loomis 'Making the Modern World: Materials and Dematerialization' - Vaclav Smil 'Stress Test: Reflections on Financial Crises' - Tim Geithner 'The Sixth Extinction: An Unnatural History' - Elizabeth Kolbert 'The Better Angels of Our Nature: Why Violence Has Declined' Steven Pinker 'The Man Who Fed the World' - Leon Hesser Business Adventures - John Brooks The Bully Pulpit - Theodore Roosevelt, William Howard Taft 'The Rosie Project - Graeme Simsion