It is the first in a series of three novels and is followed by Boyhood and Youth. Published when Tolstoy was just twenty-three years old, the book was an immediate success, earning notice from other Russian novelists including Ivan Turgenev, who heralded the young Tolstoy as a major up-and-coming figure in Russian literature.Childhood is an exploration of the inner life of a young boy, Nikolenka, and one of the books in Russian writing to explore an expressionistic style, mixing fact, fiction and emotions to render the moods and reactions of the narrator.