Critical reception for
Parasite Pig has been mostly positive.
Booklist and
Kirkus Reviews praised the book, with Kirkus saying that the book's secondary characters gave the book a freshness and "keeps it from being merely a sequel". The Horn Book also reviewed the book, praising the book's aliens as "well developed". The Washington Post reviewed the book, stating that "The dialogue is deficient, the characterization right out of "Scooby Doo," the budding romance inane. What propels it, or not, is its ideas." ==References==