In a recent episode, we looked at Frederik Pohl and C.M. Kornbluth, who formed the most important science fiction writing team of the 1950s. This instalment looks at a key book by a dominant collaboration of the 1970s and 1980s - Larry Niven and Jerry Pournelle. These right-wing hard SF authors worked together on numerous books, and even collaborated on fantasy at times. Their 1981 novel Oath of Fealty is an interesting fusion of their scientific speculations and their unsettling, libertarian...