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Regarding Cao Cao's tomb, there have always been rumors among the people about the "Seventy-two Suspicious Tombs". An epitaph from the Jin Dynasty that was accidentally discovered in 2006 revealed the location of Cao Cao's tomb. Because the tomb was stolen, the archaeological team launched a rescue excavation. This book tells the thrilling excavation story of Cao Cao's tomb in a documentary way. It identifies the owner of the tomb through documentary and archaeological data verification, scientifically responds to public doubts one by one based on a series of key evidence, and combines scientific and humanistic methods to restore a real Cao Cao and his era with brand-new research results.

Starting from the inherent stages of the development of ancient China's metallurgical industry, this book briefly introduces the mining, refining and use of several major metals such as copper, iron, gold, silver, lead, tin, zinc and mercury in Chinese history. The book analyzes the social background of the emergence and development of ancient China's mining and metallurgy industry, and provides a clear explanation and summary of the level of mining and metallurgy in different periods. At the same time, the development of the mining and metallurgical industry, especially the profound impact of bronze smelting and iron smelting technology on social historical progress and social change, was discussed. The materials quoted in this book are based on archaeological excavations and historical documents, and fully absorb the scientific research results of the metallurgical history community. It has been praised by Mr. Hua Jueming, a famous metallurgical history expert, as "a highly academic yet profound work."