"I chose to be an astronomer because I believe that in the universe it is possible to find God." Father Jose Gabriel Funes, Director of the Vatican Observatory. (Interview "The extraterrestrial is my Brother" in "L'Osservatore Romano," 2008). The plot of this science fiction novel is based on the hypothesis that Christ was interacting with an advanced extraterrestrial civilization during his time on Earth, a theory becoming increasingly important supported by the sensational scientific discoveries in recent decades. The sign of growing influence of this concept is the recognition of the...