A science-themed entry in a philosophical Q&A series combines engaging illustrations, brain teasers and quirky quotes with comprehensive answers to such questions as, "What came first: the chicken or the egg?"

Holly Cave has a BSc in Biology and a MSc in Science Communication from Imperial College, London. She spent four years at the Science Museum, researching, writing, and managing exhibitions and events for children, families and adult audiences on a wide range of contemporary science topics. Holly is now a freelance writer, editor and consultant. Marc Aspinall is an exciting illustrator who has created artworks for Orange, Time Out,Waitrose Kitchen, Easy Jet Traveller, Conde Nast Traveller and Wired Magazine.