Philosophy of Science: A Very Short Introduction by Samir Okasha Samir Okasha is a Professor of Philosophy at the University of Bristol, UK. His specialty is the philosophy of biology, especially evolutionary biology. His best-known book is Evolution and the Levels of Selection (1) , which was awarded the 2009 Lakatos Prize, named after the famous Hungarian philosopher of mathematics Imre Lakatos. Okasha is only the second professional philosopher immersed in biology that I know of, Michael Ruse being the other (2, 3) who often wrote perceptively about the Evolution-Creation controversies. The philosophical writings in biology I am most familiar with are those of biologists with a profound interest in philosophy, such as Peter Medawar and Ernst Mayr. I have devoured Medawar’s many highly readable books such as Pluto’s Republic: Incorporating The Art of the Soluble and Induction and Intuition in Scientific Thought ( 4) , The...