Ruling Passion is a 1973 crime novel by Reginald Hill, the third novel in the Dalziel and Pascoe series. The novel opens with Detective Peter Pascoe arriving at what should have been a reunion of old friends. Instead he walks in on the scene of a grisly triple-murder. To solve the crime, Pascoe needs both his superior officer, Andy Dalziel and his romantic partner—and Dalziel's feminist antagonist—Elli.^[1]

• 1973, London: Collins Crime Club ISBN 0-00-231710-9, Pub date April 1973, Hardback
• 1987, London: Harper Collins ISBN 0-586-07260-8^[2]
• 2008, New York: Felony & Mayhem Press ISBN 978-1-934609-17-0, Pub date September 2008.