Yuck! Having a stomach bug is tough on kids and parents alike. These easily spread illnesses can sweep through a classroom or a family in record time, so figuring out the problem quickly can help keep others from getting sick. How do you know you have a stomach bug and didn't just eat too much cake? This book helps readers answer that question—with that very example and other relatable moments included in an illustrated story starring a kid with a stomach bug. How germs spread and how to treat someone with a stomach bug are topics also covered in the main content.