Seventeen-year-old tagger Saira Elian can handle anything … a mother who mysteriously disappears, a stranger who stalks her around London, and even the noble English grandmother who kicked Saira and her mother out of the family. But when an old graffiti tag in a Tube station transports Saira to the nineteenth century and she comes face-to-face with Jack the Ripper, she realizes she needs help after all.
Dr. Sophie Winston is hired by New Tech Corporation to test a biosphere deep within the heart of Cheyenne Mountain; a mission she believes will help prepare the company for the three-year flight to the red planet. But, just days into the assignment, things start to go wrong. When the blast doors hiss open, Winston’s team finds a changed world outside. Humans are gone, vanished without a trace, and they aren’t the only thing missing. The planet’s water is gone, too.