Liam Drew is a writer and features journalist. His work covers neuroscience, biomedical research and evolutionary biology. He is regular contributor to Nature and its sister journals and he has written for New Scientist, Slate, The Guardian, The Independent, Aeon, Quanta, Knowable, BBC Wildlife and Reader's Digest. I, Mammal: The Story of What Makes us Mammals (Bloomsbury, 2017) was his first book. His second was The Brain Book (DK Publishing, 2021) an introduction to the brain for 5-9 year olds. Before writing, Liam was a neurobiologist. He got his PhD from University College London and worked for eight years at Columbia University, New York. He lives in Kent, UK with his wife and daughters.