Rockets in Ursa Major Author:Sir Fred Hoyle, Geoffrey Hoyle from the rear blurb: It is the early 21st Century. Man is seeking signs of life elsewhere in the universe, but all exploratory ships have been lost without a trace -- except for DSP15. Thirty years after leaving Earth, and given up for lost, DSP 15 suddenly appears on radar screens at the space station at Mildenhall England. Her crew has been ... more »frozen to prevent aging, and as the ship settles to a landing, Dr. Richard Warboys eagerly waits with other scientists for word of what DSP 15 has found. But there is no crew, only a message scratched into a metal surface, signed by the captain: "If this ship returns to Earth, then mankind is in deadly peril -- God help you --"« less