Scotland's mountains and glens retain the secrets of a long and frequently violent geological history that has gone into their making. Volcanoes have played a major role in the creation of Scotland, and while the youngest - a mere 60,000,000 years old - were responsible for much of the scenic splendor of the Inner Hebrides, the rocks composing many of the famous Scottish landforms - such as those of Glencoe and Arthur's Seat in Edinburgh - are also the direct result of volcanism. Volcanoes and the Making of Scotland goes back in time from the most recent examples to volcanoes of the obscure...