|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||yesterday||29.19||$12.23||You save $16.96|
|Amazon US||today||20.7||$12.23||You save $8.47|
|Book Depository US||today||12.48||$12.23||You save $0.25|
Henry Brighton is a research assistant at the Max Planck Institute for Human Development in Berlin. He has a PHD in Cognitive Science from the University of Edinburgh, where he also received a BSc. in Artificial Intelligence and Computer Science. Howard Selina studied painting at St. Martin's School of Art and the Royal Academy in London, where he now lives and works. He has also illustrated Introducing titles on Evolution and Consciousness.