Based on smooth Literature and History material, the book series affirms the historical role of the nation's predecessors and outstanding leaders in the process of expanding the Vietnamese land, such as: Lord Nguyen Hoang, Marquis Nguyen Huu Canh, Emperor Quang Trung... at the same time praising the indomitable spirit of the Vietnamese people through the great, heroic, and persistent struggles under the leadership of the Party and President Ho Chi Minh; affirming the sustainability, longevity, and growth of an independent, self-reliant, peaceful, and developed Vietnam.