Tunnel construction technician Cheng Yizhou accidentally traveled to Shengguo, a small border country in the Tang Dynasty, when a culvert collapsed. He was mistaken for the missing second son by people in the Cheng family. Cheng Yizhou made mistakes and entered Cheng Mansion. Write the legend of Journey to the West and practice the Feizi Heart Sutra. It happened that the Sheng Kingdom was invaded by the Danmao Kingdom and formed a boat to refine black gunpowder, make explosive packets, and build flying thunder cannons to assist Zhen Guogong in defending Suolong Pass. Make a telescope, build a hot air balloon, and destroy the Danmao Army camp. He was adopted by the Emperor of the Sheng Kingdom, became the heir apparent, and went to the Tang Dynasty to serve as a hostage... He performed a wonderful life! However, life is like a dream, and all the glory is in vain.
"Floating life is full of hard work, and the grand banquet finally comes to an end. Sorrows and joys are all the same as illusions, and dreams in ancient and modern times are all absurd." Borrowed from Cao Xueqin's poem "Returning to the Red Mansion" for the title of this book - Floating Banquet.
What kind of book is this?