Published by Orbit on October 29, 2013
Parasite is hard to categorize -- and that's a good thing. It has elements of a corporate conspiracy thriller, a biotech thriller, a creepy science fiction/horror novel, and a mystery. It combines a low-key love story with an offbeat family drama. At its heart, Parasite is an "aliens take over human bodies" story, a staple of bad science fiction, but with the refreshing twist that parasites are substituted for aliens. Parasite will teach you more about tapeworms and other parasites than you might want to know, but it tells an innovative story and builds tension without resorting to car chases and explosions.
Sally Mitchell, brain dead and on the verge of having her organs harvested, opens her eyes. She awakens in a blank state, her brain wiped of its memories. Sally has been given a new life by virtue of a genetically engineered tapeworm called the SymboGen Intestinal Bodyguard. Six years later, she's relatively normal, but very different from the person she doesn't remember being before her accident. Sally copes with being reeducated, studied, and psychoanalyzed, while living in fear that SymboGen will stop paying her medical expenses if she isn't an appropriate guinea pig.
Sally's life becomes even complex with the outbreak of an apparent disease that turns people into dangerous shambling sleepwalkers. My initial reaction to this was "oh geez, Mira Grant found a way to add zombies to the story." Fortunately -- since the world really doesn't need another zombie novel -- Parasite takes off in a wild and unexpected direction. The mystery of Sally's true nature is telegraphed so often that the reveal isn't much of a surprise, but that doesn't detract from the story. Other revelations at the novel's end are more surprising, and they whet interest in the next installment.
Sally, her boyfriend Nathan, and the other principle characters are realistic, including Sally's parents, who provide fruitful family drama by being less than ideal role models. One of the characters is completely daft in a dangerously amusing way. Dogs play a critical role in the story, providing further evidence for my theory that every novel is made better by the inclusion of a dog -- particularly when a writer portrays them as sympathetically as does Grant. (Grant is also sympathetic to tapeworms, but I'll let that pass ... so to speak.)
Parasite delivers a crash course in parasitology but, by using fascinating examples of parasitic behavior, it never becomes boring. This is one of the better biotech thrillers I've encountered. I don't know whether it's credible, but Grant convinced me that it could happen, and that allowed me to enjoy the well-crafted story.
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