The novel "War and Peace" was written by the famous Russian writer Leo Tolstoy. It is considered one of the greatest masterpieces of world literature and tells the story of five aristocratic families during the Napoleonic Wars. The novel was published in installments between 1865 and 1869 and is known for its realistic portrayal of war, complex characters, and philosophical themes. Tolstoy's use of multiple points of view, historical accuracy, and innovative techniques make "War and Peace" a significant contribution to the development of the modern novel. It remains one of the most widely read and influential works in literary history.