Roger M Knutson

Hypochondriacs beware— would you believe the nastiest creatures in the known universe live inside our bodies? Not content to just find a home and produce offspring in our internal space, parasites will drink our blood, eat our cells, and infest our muscles. There is very little that can be said in their favor, with perhaps one exception— they are truly fascinating!
Fearsome Fauna is a wickedly amusing and startlingly informative look