Transit Maps of the World

Mark Ovenden is a British writer and broadcaster. At the age of seven, he travelled alone ten miles on the London Underground, armed only with a map. He later gained entry to a Graphic Design course by submitting a reworking of the London tube map. His previous books are Great Railway Maps of the World. , Metro Maps of the World. , Paris Metro Style. and London Underground by Design. He is a Fellow of the Royal Geographic Society.