About the book: year / Three scientists, contrary to the ban of the Bureau of Galactic Control, invented an interstellar ship capable of crossing intergalactic space and were the first people to fly to the Andromeda Nebula. What they found there shocked them. There is an urgent need to convey information to the Federation Council, but the police, the Galactic Control service, and the mercenaries of the tycoon Schuyler are on their tail. The action of the novel begins on the outskirts of the galactic world of Valoa with the crazy River of Stars, continues in the Andromeda Nebula among the aliens with their monstrous Houses of Knowledge and ends on the desert planet Arkar.