Andrew Martin is a journalist and author. His previous books for Profile include Underground, Overground (9781846684784) and Belles and Whistles (9781781252130). He has written for the Evening Standard, Sunday Times, Independent on Sunday, Daily Telegraph and New Statesman. His 'Jim Stringer' series of novels based around railways are published by Faber. His latest novel, The Yellow Diamond, is set in the world of London's super-rich.