Microlife Set Author:Robert Snedden This series introduces readers to the world of micro-organisms, especially bacteria and viruses. The four titles cover science, health, education and history teaching requirements. "A World of Micro-Organisms" shows what they are, what they do, what they look like and explains the differences between them. "The Benefits of Bacteria" looks at the... more » role and need of bacteria in our lives. "Fighting Infectious Disease" looks at infection, how it spreads and how we try to stop it. "Scientists and Discoveries" looks at the changes in the study of micro-organisms over time, including the development of new ideas and equipment and radical theories that have changed the way we think.« less