Sean O’ Casey autobiographical books are considered to be the most valuable epopee works in English-Irish literature. Sean O’ Casey epopee is a genuine folk piece with all its artistic and artistic components. Describing historical events and the fate of the protagonist, the writer always puts the Irish people's lives and struggles in the foreground. Researcher A. P. Saruhanyan calls Sean O’ Casey books a fascinating epic novel in the genre of fiction, and goes on to say, "... 20th century English literature follows the convergence of autobiographies and novels." Sean O’ Casey autobiographical books are a singular, holistic work for the intended purpose, but it is still a series of novels, because each of the six books has certain independence.