As children we commonly develop a keen interest in geology, the science of dinosaurs and volcanoes, glaciers and earthquakes. Given encouragement, we never give up that fascination.Robert and Johanna Titus are well known throughout the Catskills and Hudson Valley for their engaging writing and speaking. Now they have revised and expanded an old classic: The Catskills: A Geological Guide, first published in 1993. Come with them and learn about the...