Leo Tolstoy then spent much of his time in Moscow, Tula and Saint Petersburg, leading a lax and leisurely lifestyle. He began writing during this period, including his first novel "Childhood", a fictitious account of his own youth, which was published in 1852. In 1851, after running up heavy gambling debts, he went with his older brother to the Caucasus and joined the army. Tolstoy served as a young artillery officer during the Crimean War and was in Sevastopol during the 11-month-long siege of Sevastopol in 1854–55, including the Battle of the Chernaya. During the war he was recognised for his bravery
Leo Tolstoy that "A novel by Tolstoy is not a work of art but a piece of life." Later novelists continued to appreciate Tolstoy's art, but sometimes also expressed criticism. Arthur Conan Doyle wrote "I am attracted by his earnestness and by his power of detail, but I am repelled by his looseness of construction and by his unreasonable and impracticable mysticism." Virginia Woolf declared him "the greatest of all novelists." James Joyce noted that "He is never dull, never stupid, never tired, never pedantic, never theatrical!" Thomas Mann wrote of Tolstoy's seemingly guileless artistry: "Seldom did art work so much like