"Good blood" is a cult novel by the French writer Maurice Barnel, first published in 1855. In this tragic story, the author recreates the complex relationship between two families - Rougon and McCart. The main theme of the work is the struggle for power and money, while revealing the weakness of human nature. In "Good Bloods" the stories of various characters are interwoven, each of whom becomes a participant in the heightened events during political and social competitions. The book shows the cruelty and ruthlessness of the world in which envy, greed and intrigue play their games. A strong psychological component makes "Good Blood" not only an exciting read, but also an effective mirror for understanding human nature and its various manifestations.