The Catskills is the favored new retreat for New Yorkers. Only ninety minutes from the city, it's closer than the Hamptons and much more affordable. As a consequence, this once thriving area is having a huge revival as a weekend-vacation place. Catskills Country Style, the first book of its kind on the Catskills and its new style--what might be called urban-country-folk design--showcases this new style in the cottages and cabins of the region. Intriguing...