A new, original science fiction story by Mary E. Pearson which features characters from and takes place in the near-future world of The Jenna Fox Chronicles. In "The Rotten Beast, " a sixteen-year-old girl named Allys, living in a near future version of the U.S., is vehemently opposed to the way scientists are meddling with human and artificial life. In fact, she blames such scientific overreaching for the illness which is killing her. When she awakens one day to find that her parents have gone against her wishes and had an illegal operation performed to save her life and restore her body, she is furious and must come to terms with this new chance at life, which she didn't ask for and didn't think she wanted.