What does circus literature mean?

"Circus literature" refers to a kind of literary works or literary genre with circus as the theme. This literary form usually takes circus performance, life and internal relations as the theme, reflecting its special atmosphere and cultural connotation. Circus literature was popular in the early 20th century, and its representative works include the novel A Circus Night by French writer Charles. In addition, there are many circus literature works in China, such as Zhang Ailing's novel "Little Art". These works usually reflect social changes and human nature problems from the special perspective of circus, and have certain cultural and artistic value.