Marcus WeeksMarcus Weeks is the author of the '...In Minutes' series, published by Quercus. He is also the author of How Many Molehills in a Mountain?: Measuring What You Don't Know in Terms of What You Do and Music: A Crash Course, and has ontributed to many titles for Dorling Kindersley, including The Philosophy Book, the Millennium Encyclopedia, and both Science and Art in 'The Definitive Visual Guide' series. Read More Read Less