Gu Han opened the box, took out several thick books from inside, and put them in front of Tan Daozhen.
Tan Daozhen picked up the Tang military code as thick as a brick, and his hands trembled slightly. It was just a book about how to train soldiers. How could it be so thick?
Although he was not a scholar in the Tang Dynasty like his brother, he was definitely knowledgeable and learned a lot. He naturally saw a lot of military books. Especially after returning to China, he began to lead troops to fight, and he tried every way to collect relevant books to study. But there has never been a military book with such thickness.
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