Demon in the Freezer was my first exposure to the recent history of smallpox and the role that it has played in international relations since the middle of the twentieth century. Although the details of the effects of smallpox are gruesome and heart-wrenching, it was fascinating to learn that smallpox victims should not be treated in hospitals, due to the ease with which the virus can spread. It was also interesting to learn more about how scientists work with dangerous substances like smallpox and anthrax. Overall, I enjoyed this book, and I believe that I have gained a better understanding of international politics, history, and science because of