In common understanding of Vietnam research circle, there are three types / kinds of confucianists: artistic, reclusive and so-called action's confucianists. In comparison with a kind of artistic & also called action's confucianists, the reclusive ones are less covered. The author of the book that you are holding used to publish a lot of writings focusing on the reclusive confucianists in Vietnamese literature of middle age with related topics from its formation & development; lyric ego, characteristic artistic space to creations of these authors. An important part of the book dedicated to the most famous reclusive confucianists in middle age Vietnamese literature, such as: Chu Van An ( 1292 – 1370 ), Nguyen Trai ( 1380 – 1442 ), Nguyen Binh Khiem ( 1491 – 1585 ), Nguyen Du ( 15th century ), Nguyen Khuyen ( 1835 – 1909 )... It is a hope that it is an interesting and useful book.