You can survive on Mars-all you need to do is focus. Sixteen-year-old Carolina never wanted to be part of the American Separatist Mars colony. She wanted to live on United Earth with her mother. She can't understand why her mother made her go with her father and stepmother. Didn't Mom see how much stepmother hates her? When a mysterious teenager turns up at the colony, claiming that he comes from a different, Mars, one with cities, canals, and horses, Carolina leaps at the chance to escape. Lleellaatt tells her that his Mars appears when different possible states of the universe are merged by...

United Earth quantum security is unbreakable. It is impossible for two people to swap cards. What if the impossible happens? What if one of the cards belongs to the leader of Earth? All Arnie wants is to get away from his boxlike hab and his mindless job, perhaps to find a girl more likable than his cynical ex-girlfriend. Things look promising when he meets Nikki on his dream vacation in Swedish Lapland. But their ski tour goes terribly wrong when they become entangled in murder and intrigue. Amid the confusion of identity swapping, Arnie is faced with the impossible task of protecting Nikki...