War and Peace by Leo Tolstoy is a complex work that explores the nature of war and peace. The novel tells the story of two aristocratic families, the Rostovs and the Bolkonskys, as they experience the Napoleonic Wars. Tolstoy examines the consequences of war on both individual lives and on society as a whole. He also explores the possibility of lasting peace. War and Peace is often considered to be one of the greatest novels ever written.