Larry physicist turned psychiatrist for a university radio-astronomy unit has died and come back to life. The first section of the book merges this fantasy-world of death and half-life with the real world, his wife Brenda, who is a scientist, her lover, and the astro-physicists Professor Head and Dr Dekko. In the second section he is wholly back, ostensibly well, but during his death Larry has acquired a peculiar perceptive faculty...