Melinda Ashley has a plan for her life, and a trip to Mars isn't part of it. When she receives a spaceliner ticket as a high school graduation gift from her dad, she is dismayed, but reluctantly agrees to go with him--in part because she's infuriated by her fiance's high-handed declaration that she can't. Her outlook begins to change when she meets Alex Preston, a second-generation Martian colonist who is going home after college on Earth. Alex believes...