"Boyhood" is the first part of the autobiographical trilogy written by the Russian author Leo Tolstoy. The trilogy, collectively known as "Childhood, Boyhood, Youth," explores different stages of the protagonist's life. "Boyhood" specifically delves into the adolescent years of the main character, Nikolai Irtenev.

The narrative is structured as a series of reflections and episodes, providing a psychological and philosophical exploration of the inner world of the young Nikolai. The novel captures the emotional turbulence, moral dilemmas, and intellectual development that characterize adolescence. Tolstoy delves into the protagonist's thoughts and experiences, portraying the challenges and conflicts that arise as Nikolai grapples with his emerging sense of self and his place in the world.

Tolstoy, a master of psychological insight, uses "Boyhood" to examine the complexities of human nature, the search for meaning, and the moral choices that individuals face as they navigate the transition from childhood to adulthood. The novel is known for its introspective and philosophical nature, foreshadowing Tolstoy's later works that delve deeply into existential and moral themes.