"A queer sci-fi novel about a marriage of convenience between a Mars politician and an Earth refugee. In the wake of an environmental catastrophe, January, once a principal in London's Royal Ballet, has become a refugee in Tharsis, the terraformed colony on Mars. There, January's life is dictated by his status as an Earthstronger--a person whose body is not adjusted to lower gravity and so poses a danger to those born on, or naturalized to, Mars....