Scotland's contributions include the detective writer Arthur Conan Doyle (the creator of Sherlock Holmes), romantic literature by Sir Walter Scott, the children's writer J. M. Barrie, the epic adventures of Robert Louis Stevenson and the celebrated poet Robert Burns. More recently the modernist and nationalist Hugh MacDiarmid and Neil M. Gunn contributed to the Scottish Renaissance. A more grim outlook is found in Ian Rankin's stories and the psychological horror-comedy of Iain Banks. Scotland's capital, Edinburgh, was UNESCO's first worldwide City of Literature.