We have updated our Privacy Policy Please take a moment to review it. By continuing to use this site, you agree to the terms of our updated Privacy Policy.

For years the worldwide operations of a mysterious and ruthless extortioner who calls himself the Tortoise have baffled Scotland Yard and the police forces of Europe. But the Tortoise makes a mistake when he interferes with wealthy American playboy Don Micklem, who has friends in high places, and soon tracks him to his lair …

‘The thriller maestro of the generation’ Manchester Evening News