from School Library Journal
Up-More than 200 years in the future, Comet Bhaktul hurtles past Earth, leaving a deadly contagion in its wake. Bhaktul's disease threatens to annihilate the human race within a decade, but the mysterious illness only affects adults. Scientists worldwide scramble to find a cure, while one scientist proposes a controversial project to preserve humanity, should other efforts fail. Under Project Galahad, 251 teens are sent on a mission to reach a habitable planet free of Bhaktul's contamination. As Galahad enters space, the young people must deal with the intense pressure of saving humankind and the sadness of leaving their families behind. Sixteen-year-old Triana, the ship's commander, must manage daily operations while also dealing with her father's recent death. Matters escalate when, less than a week out, one of the teens spots an adult onboard, a potential Bhaktul carrier. With the help of the Council and the ship's computer brain, Triana does her best to solve the mystery of the uninvited passenger and save their mission.