Bacteria and humankind interact in incredibly complex ways. Many bacteria can be both harmful to individuals and human society, but others are necessary to human digestion, food production, and many other processes that help humans thrive. This book delves into the various kinds of bacteria, their life cycles and habitats, and their interplay with us and with the natural world at large. Besides the informative details provided on bacteria themselves, this book will be especially valuable to readers who will appreciate the complex web of relationships that bacteria contribute to.