Heart of the Comet is a novel by David Brin and Gregory Benford about human space travel to Halley's Comet published in 1986. Its publication coincided with the comet's 1986 approach to the Earth. Written in the third person, the perspective alternates between the three main characters, the "spacer" Carl Osborn, the computer programmer Virginia Herbert and the doctor and geneticist Saul Lintz. Source: Wikipedia (en)