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
War and Peace "War and Peace" "the best novel that had ever been written". Romain Rolland, remembering his reading the novel as a student, wrote: "this work, like life itself, has no beginning, no end. It is life itself in its eternal movement." Thomas Mann thought "War and Peace" to be "the greatest ever war novel in the history of literature." Ernest Hemingway confessed that it was from Tolstoy that he'd been taking lessons on how to "write about war in the most straightforward, honest, objective and stark way." "I don't know anybody who could write about war better than Tolstoy did", Hemingway