Is the book "The Unified Complete Book of Geography" written in classical Chinese?

"The Unification of Geography" is written in classical Chinese.

"The Complete Book of Geographical Unification" was written by Yu Xiangdou in the Ming Dynasty. It is the leading work of the Luantou School in ancient Chinese Feng Shui and has far-reaching influence.

Yu Xiangdou and Ziwentai were famous masters of Kanyu in the Ming Dynasty. Kanyuology, commonly known as "Fengshui", is an important part of ancient Chinese traditional culture. It takes "The Book of Changes" as its basic theoretical framework and encompasses geology, geography, hydrogeology, engineering geology, geomorphology, soil science, ecology, architecture, horticulture, ethics, aesthetics, etc. A natural science with strong nature and systematic nature. Its theoretical core is the highest realm of Chinese philosophy: an important manifestation of the "unity of man and nature." To put it bluntly, "Feng Shui" is a science that pursues the perfect combination of man and nature.

The above is for reference only, I hope it will be helpful to you