The book is composed of 11 papers covering many distinct aspects of Vietnam history as following: 1 - Vietnamese residence of the Gods: the long communal house (le ĐINH). 2 - History of one God: PHU ĐONG THIEN VUONG. 3 - The traces of the hydraulic engineering in GIO LINH (Quang Tri province). 4 - Vietnam in X century. 5 - The Vietnamese emperors - landlords in X - XV century. 6 - Is it human being or Buddha?. 7 - The genealogy and internal marital regime of the Tran dynasty of Vietnam. 8 - Casted money in Dang Trong (Vietnam South) in 16th - 17th centuries. 9 - Financial crisis in Dang Trong in the second half of the 18th century. 10 - Money casting work in Bac Thai province in 10th century. 11- Vietnam paper money in the end of XIV - beginning XV centuries.