Mapping Human History: Genes, Race, and Our Common Origins by Steve Olson Mariner, $14; Bloomsbury, £7.99

Our Posthuman Future: Consequences of the Biotechnology Revolution by Francis Fukuyama Profile, £8.99

The Golden Ratio: The Story of Phi, The Extraordinary Number of Nature, Art and Beauty by Mario Livio Review (Headline), £7.99

Nexus: Small Worlds and the Groundbreaking Theory of Networks by Mark Buchanan W. W. Norton, $14.95

“Mark Buchanan gives a cogent and engaging description of recent developments in complex networks.” Sidney Redner Nature 418, 127–128 (2002).

The Monkey in the Mirror: Essays on the Science of What Makes Us Human by Ian Tattersall Harvest Books, £13