There’s something very… I don’t know; primitive, perhaps, about you, Gurgeh. You’ve never changed sex, have you?’ He shook his head. ‘Or slept with a man?’ Another shake. ‘I thought so,’ Yay said. ‘You’re strange,...

[A]t least since the late nineteenth century when the primary role in categorising sexual behaviour and naming what is ‘normal’ and what is ‘perverse’ passed, in most industrial societies, from the religious to the medical...