"Earth is home to many different kinds of creatures. Some of them are gross enough to be from a scary story. Learn about some of the painful parasites that share our planet."--

"Parasites are all around you, all the time, quietly running the world. You might think of them as slimy, disgusting freeloaders: tapeworms, roundworms, ticks, and lice, too small to be important and too wicked to be liked. But by the end, you'll realize that sometimes parasites are the good guys. Parasites might be mysterious and weird, but the better we understand them, the less we have to fear about them. With climate change threatening parasites...

"It's under their skin. In Ghana, Africa, a family is in agony. Parasites called guinea worms are eating through their bodies. While the family gets treatment, a health-care worker hunts for the source of the worms. Can he find it before others become infected? This book introduces the topic of guinea worms" --