Martina Cole (born Eilidh Martina Cole, on 30 March 1959) is a British crime writer, businesswoman and occasional television presenter. Cole was brought up in Aveley, Essex. As of:2015 she has released twenty-two novels about crime, most of which examine London's gangster underworld. Four of her novels, Dangerous Lady, The Jump, The Take and The Runaway have been adapted into high-rating television dramas. She has achieved sales of over fourteen million in the UK alone and her tenth novel, The Know, spent seven weeks on The Sunday Times hardback best-sellers list.