Coke shouted as he and Pep scrambled down the ladder of the spaceship, jumping off the last few steps and tumbling to the grass. Pep got on her hands and knees and kissed the ground. It felt so good to be home. “I can’t believe we made it back,” Pep said, giggling uncontrollably. “I thought it was all over for us.” Seconds later, the spaceship lifted off, kicking up a swirl of dust in the air. The twins shielded their faces and watched as the ship took off and disappeared as quietly as it had arrived. In seconds, it was gone. “Wow,” Coke said. “Did that really happen, or did I just have some weird alien abduction dream?” “If that was a dream,” his sister replied, “I had it, too.” It was nighttime. A half-moon hung in the sky. As they looked up, it was hard for the twins to believe that they had been standing on that surface, and now they were standing on Earth. There were trees on all sides. There was no obvious path leading back to civilization. “Where are we?”