Little, Brown Book Group 172 Hours on the Moon

Three teenagers are going on the trip of a lifetime. Only one is coming back. It's been more than forty years since NASA sent the first men to the moon, and to grab some much-needed funding and attention, they decide to launch an historic international lottery in which three lucky teenagers can win a week-long trip to moon base DARLAH 2-a place that no one but top government officials even knew existed until now. The three winners, Antoine, Midori, and Mia, come from all over the world. But just before the scheduled launch, the teenagers each experience strange, inexplicable events. Little do they know that there was a reason NASA never sent anyone back there until now-a sinister reason. But the countdown has already begun...