Qian Yiyu is an author about whom limited public information is available. The library currently holds only one work by this author, the mystery novel Killing Reasoning. Since no clear records exist regarding dates of birth and death, nationality, educational background, or writing career, this introduction can only offer a brief note based on the available work information. Judging from the title and classification of Killing Reasoning, the author works within the mystery and detective genre, and the book is categorized as mystery fiction, suggesting an orientation toward puzzle construction, logical deduction, and the building of suspense. The title itself is self-referential toward the detective genre and may imply that, beyond the case itself, the story reflects on the mechanisms of reasoning or on narrative conventions. A single work is not enough to determine the author's overall style or creative trajectory; readers may regard it as one attempt within this genre, and further public information is needed to clarify subsequent writing.
