Photographs and simple text share facts and information about hippopotamuses, describing their physical characteristics, diet, habitat, and related topics.
A cautious mouse named Tiny gives advice to his best friend, an exuberant hippopotamus named Penelope, on such things as what to wear and what to take for show-and-tell on the first day of school.
Cheetah comes to better appreciate his relationship with Hippopotamus after he learns there are more important qualities in a friend than being able to run fast.
When Yellow Hippo accidentally runs into a painter's ladder while hurrying home to avoid the rain, she sees all the yellow objects on her trolley change color.
"A look at hippopotamuses, including their habitats, physical characteristics such as their large mouths, behaviors, relationships with humans, and protected status in the world today"--Provided by publisher.