 Writing under his pen name of Robin Furneaux (Viscount Furneaux was his courtesy title prior to his father's death), Lord Birkenhead won the Heinemann Award in 1975 for "William Wilberforce" (), his biography of the antislavery campaigner.He also was known for his 1970 book "," based on an expedition he made along the Amazon River in 1968.He died of a heart attack whilst playing real tennis at the Leamington Spa Tennis and Squash Club.