"Nine-year-old Julian almost died when he was born and he believes that he has a special connection to the universe because of that, and he wants to make his two moms and his sister (who turned into a black hole of discontentment when she turned fourteen) happy because he is convinced that soon he will die and travel to the dog star--but now they have moved to Maine and he resolves to also use his "uni-sense" ability to help Mr. X, their neighbor, who is in desperate need of healing." -- (Source of summary not specified)