Ji Yan is an author about whom very limited public information is available. At present, only one work under this name, The Horrible Science, is known to be included in the book database, and it is commonly classified as popular science. Since basic details such as dates of birth and death, nationality, and educational background cannot be verified, it is not possible to introduce the author's personal experience in any detail here; only the work itself can be briefly discussed. Judging from the title and its classification, the book appears to be a popular science work aimed at general readers, including young readers. A title like "Horrible Science" often suggests that the author selects surprising, even slightly frightening, facts from the natural sciences as entry points, presenting them in accessible language and an engaging narrative style. This kind of writing generally aims to break the stereotype that science is dry and serious, to stimulate readers' curiosity and desire to explore, and to help them gain scientific knowledge and understand scientific thinking through relaxed reading. Based on the available material, Ji Yan's writing leans toward the style of popular science for a broad audience, emphasizing readability and interest and suited to introductory readers approaching scientific topics. More public information is needed to understand the number of works and any subsequent writing.
