Book excerpt: A perfectly revolting introduction to germs! Kids get up close and personal with germs (ew!) in this entertaining, thoroughly researched exploration of the science and history of these tiny creatures. In gross detail, this book covers what germs are, how we get sick, how the immune system works and the best ways to stay healthy. There’s information on the deadliest past plagues and pandemics. And how germs may be helpful for cleaning the environment and solving crimes. Who knew creatures so small could have an influence so big?! With so much fascinating information, kids will become masters of microbes faster than you can say gesundheit!