Wendy Kaufman over at The Happy Booker (via City Desk) alerts us to the sad news that Candida’s World of Books, the 14th Street independent bookstore that focused primarily on travel and international titles, will soon be shutting its doors after only four years in business. Candida’s had a niche, and its niche was “travel,” for want of a better word. But referring to Candida’s as a “travel” bookstore didn’t really do justice to what…