Here's why:
* Epic Scope and Depth: The novel spans multiple years, encompassing the Napoleonic Wars, the lives of multiple aristocratic families, and the complexities of human relationships.
* Rich Characterization: Tolstoy meticulously portrays a wide array of characters, each with their own motivations, flaws, and complexities. He explores the human condition with great depth and psychological insight.
* Social Commentary: "War and Peace" offers a powerful critique of Russian society, its values, and its political landscape. Tolstoy examines the role of war and peace, love and marriage, and the impact of historical events on individual lives.
* Realistic Detail: The novel is filled with meticulous descriptions of daily life in Russia during the early 19th century, creating a vivid and immersive experience for the reader.
* Philosophical and Moral Depth: Tolstoy explores profound questions about the meaning of life, the nature of happiness, and the role of free will.
While other works like "Crime and Punishment" by Fyodor Dostoevsky and "Dead Souls" by Nikolai Gogol are also highly regarded for their realism, "War and Peace" stands out for its monumental scale, depth, and enduring relevance.