Keigo Higashino was an excellent detective novelist. His works often had excellent plots and compact plot designs, but also paid attention to the development of character portrayals and relationships. These characteristics made his works popular among readers and popular in the shared bookstore. In addition, Keigo Higashino's works usually contained some profound social problems and human nature exploration, which was also a feature of his works. His works are not only rich in reasoning elements, but also full of social meaning and thinking, which can resonate with the readers, allowing them to not only enjoy the fun of the story, but also get more inspiration and thinking from it. Due to the above reasons, Keigo Higashino became a popular mystery novel reader and was also popular in the shared bookstore.