Throughout history, armies have used various kinds of germs to cripple their enemies. International treaties currently outlaw the use of biological weapons, but this does not necessarily mean that none are being developed. Through informative text, augmented by detailed infographics and sidebars, readers learn about the history of biological warfare and ways it can be avoided in the future. Annotated quotes from experts on this topic and discussion questions are also included to give readers a deeper understanding of the many facets of this complex topic.