Pegasus in Space (2000) is a science fiction novel by Anne McCaffrey, set in her "Talents Universe". It is the sequel to Pegasus in Flight and it completed a trilogy initiated in 1969. This novel serves as a bridge between the Pegasus and the Tower and Hive books, two Talents sub-series. It establishes Peter Reidinger as the first Prime and shows the origins of the Tower system of teleporters seen in The Rowan and its sequels.