Summary of Parasite Rex Parasite Rex is a book that follows the parasitologist, Carl Zimmer, as he journeys through Africa to examine the effects of African sleep sickness and river blind disease. It is an 8-chapter book that gives captivating insight on different parasites and their role in our world. The book is both easy to read and it easily keeps the readers interest. Parasite Rex focuses on a new life study. Even though they have been a neglected species for up until recently, and are now catching the attention of scientists. This book shows just how powerful and dangerous parasites can be, and it raises the question, “How dominant of a force are these parasites?” In the beginning, there is a prologue, which introduces the author and