This title is part of the important new series from Oxford which provides accessible introductions to the ideas, facts, and vocabulary behind an absorbing range of subjects. Meticulously researched and authoritative but written in simple language by experts in their fields, curious young readers will quickly get to grips with the basic principles and terminology of each subject. The Invisible World of Germs introduces, in a clear and interesting way, early theories about diseases and how they spread, what bacteria, fungi, protists and viruses are and how they behave. It also explores our natural defences and how we protect ourselves from the ever-changing threat of infection. The engaging design highlights the Heroes of the subject from early beginnings to modern day and explains tricky terminology in ''Speak like a Scientist'' features. Comic strips and illustrations, amazing photographs, and a timeline, glossary and index, all make this handy-sized book the perfect way to learn. If you love this title, why not collect them all? The Invisible World of Germs is part of a collectible set which will build into a diverse range of subjects.