Star Map Password

"Star Map Code" - Stars are the pen, history is the paper, and secrets spanning three hundred years are written. In the winter of the fifty-seventh year of Qianlong's reign, Nanjing. When Wang Zhenyi, a female scientist in the Qing Dynasty, was observing the stars, she discovered an astonishing secret: a complete cryptographic system hidden in the star maps of the past dynasties. From the Big Dipper to a blank space where there should be no stars, from the Zhou Bi Suan Jing to the Western Star Chart, every track is a clue and every star is a text. When she began to decipher it, she discovered that the code pointed to not only astronomical mysteries, but also a history that had been deliberately concealed, a truth related to the survival of civilization. And now, someone doesn't want this secret to come to light again... [Historical suspense + science fiction + strong female protagonist] [Rigorous textual research + brain-burning decryption + grand narrative]