Brick tiles and roofing materials can be referred to as building materials in history as an important way of reflecting many aspects of Vietnamese history-culture-civilization. There are many archaeologists studying this issue. But Dr. Dang Hong Son, with the task entrusted and the inherent passion has quickly accrued, gathering relatively complete material from the previous generation, has classified the system, contributed into the general knowledge of building materials of the Ly-Tran-Ho dynasty. Thereby, he portrays some of Vietnam's history and culture in this period.