Hippos are large animals that live in Africa. They are found near rivers and pools. Hippos are heavy, but they can move around quickly in the water. Find out what else hippos like to do. Turquoise level titles develop children’s understanding of topics with clusters of books on related subjects. High-interest themes such as danger, courage, kindness, bullying and anger are introduced. PM Non-fiction books are carefully researched, presenting factual information accompanied by superb photography and realistic illustrations to engage young readers.