Zheng Lan is a Chinese book author about whom publicly available information is currently limited; the confirmable details center mainly on one work. The author's representative work is The Kingdom of No Aging (Bu Lao Wang Guo), which is classified under popular science and is a book aimed at making scientific knowledge accessible to general readers. Based on the available materials, little can be verified about Zheng Lan's background, including birth and death years, nationality, education, and awards, so a fuller account of the author's life cannot be given. As for the known work, The Kingdom of No Aging is positioned as popular science and conveys scientific content to ordinary readers, reflecting the author's attempt at writing for science popularization. Only one work by this author is held in the collection, a limited number that is not enough to present the full range of the author's writing or style. Readers seeking more information about Zheng Lan will need to wait for further works or additional public records.
