172 Hours on the Moon by Johan Harstad

172 Hours on the Moon : Paperback : Little, Brown Books for Young Readers : 9780316182898 : 0316182893 : 21 May 2013 : It's been decades since anyone set foot on the moon. Now three ordinary teenagers, the winners of NASA's unprecedented, worldwide lottery, are about to become the first young people in spaceNand change their lives forever.