Detective and mystery novels usually involved some complicated plots and mysteries, which required the reader to have a certain degree of logical thinking and reasoning ability. These plots and mysteries could attract the interest of girls because girls often liked to explore the unknown and search for the truth. Detective and mystery novels usually created some talented, intelligent, and witty characters who could help the readers solve the mystery and find the truth. Girls also liked to interact with these talented, intelligent, and witty characters because they could feel the joy of interacting with intelligent people. Detective and mystery novels could also cultivate the reader's logical thinking ability and critical thinking ability. These abilities were also very important for girls. In daily life, girls also needed to have certain logical thinking skills and critical thinking skills to better deal with various problems and challenges.