It is the first work in its kind ever made in Vietnam aiming at comprehensive & systematical research towards history of Catholicism introduction into Vietnam that written by Nguyen Hong – the Father of Vietnam Catholic Church itself. The work provided a readership with truthful and objective materials which were preserved in Rome & Paris archives covering a long progression ( from the beginning in the year of 1532 to the year of 1680 ) of missionary history in Vietnam that was full of zigzags and ups & downs. Contents: Volume One: Chapters: 1 – The first steps of Vietnam Catholic Church – Missionary cause in South ( Dang Trong ) & North ( Dang Ngoai ) of Vietnam. 2 – Father Buzomi – the apostle in the South of Vietnam. Religious suppression in Japan and missionary cause in Vietnam. 3 – Father Alexandre de Rhodes – the apostle in the North & then in the South of Vietnam. Hanoi Catholic community and the first challenges. First bloody pages of history. 4 – Missionary cause in the years of 1632 – 1665. 5 – Looking back 50 years of missionary cause. Volume Two: Chapters: 1 – The Father Alexandre de Rhodes in Vietnam and then on the road returning to Rome. Portugal protection – an obstruction for the Father Alexandre de Rhodes' activity. 2 – The two first bishops of Vietnam Catholic Church. 2 - The other two first bishops in Bangkok – the Capital of Thailand. 3 – The appeal of the bishops of Paris Missionary Society to the Holy See. 4 – The two Fathers Luigi Chevreul & Anton Hainques on the Land of Dang Trong ( 1664 – 1670 ). 5 – Father Phanxico Deydier' missionary activity and formation of local Church in Dang Ngoai ( 1666 – 1668 ). 6 – Father Lamberto De La Motte in Dang Ngoai ( 1669 – 70 ) and then in Dang Trong ( 1672 – 75 ) and in Thailand ( 1675 – 76 ). 7 – Challenges for the Fathers Phanxico Deydier & Giacobe De Bourges in Dang Ngoai ( 1670 – 72 ). 8 – Restoration of peace & order ( 1673 – 77 ). 9 – Situation in Dang Ngoai & Dang Trong in the years of 1676 – 80.