Seven Days to a Killing

Seven Days to a Killing is a British spy novel by Clive Egleton, published in 1973. It was adapted to film as The Black Windmill in 1974, with Michael Caine as the lead.^[1] It concerns an MI6 officer whose son is kidnapped, and a ransom of $500,000 demanded.^[2]

First edition
(publ. Hodder and Stoughton)