Lao Gan 
Brief History of Qin and Han Dynasties 

This book is a popular book written by Mr. Lao Gan, a great historian of Qin and Han Dynasties, for ordinary readers in the 1940s. It introduces the historical situation, academic beliefs, and material and cultural achievements of the Qin and Han Dynasties. It is terse and concise in content and easy to understand. This chapbook of Mr. Lao Gan is full of his unique understanding of history. Relevant papers of the author are also collected for supplement in this collation and publication, which makes the content more substantial.