People can ride bikes in cities & in the country. They can ride in races, or to keep fit, or to get from one place to another. Lots of people ride bikes. 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 & anger are introduced. PM Non-fiction books are carefully researched, presenting factual information accompanied by superb photography & realistic illustrations to engage young readers.