New, updated edition—Arrival is imminent. Eighty years after leaving Earth, the interstellar transport Horizon is days away from its final destination—the unexplored moon of Verdan. Siblings Mikhail and Mary are at loose ends, occupied with plans, preparations, and personal struggles, in near constant conflict with their elderly father Dimitri, the expedition's founder and a man obsessed with staging the perfect landing. But when touchdown commences, what lies in wait on this little green moon? Is it home, horror, or something far more mysterious?