Dr Stephen Law is a senior philosophy lecturer at Heythrop College in London and the editor of the Royal Institute of Philosophy'e(tm)s journal THINK , which aims to introduce philosophy and its merits to a wide audience. Stephen has written numerous academic papers as well as books for both adults and children including the hugely popular The Philosophy Files .Marc Aspinall is an exciting illustrator who has created artworks for Orange, Time Out, Waitrose Kitchen, Easy Jet Traveller, Condé Nast Traveller and Wired Magazine.