Mav needs to kill her boss. But that will be tricky. He’s a senator. Not only that, he’s one election away from becoming the Vice President of USEM—the United States of Earth and Mars. And the kill switches he had implanted in Mav’s skull keep her quiet and obedient. But when Mav unexpectedly inherits a political insider’s fortune, it doesn’t take long for her fame to attract the attention of a shadowy organization that wants the same thing she does—a dead senator. Numbered is the first episode in the collection of novellas that make up the Sister Planets series.