At first glance, the wooden boxes popping up in Barton County might be mistaken for a new version of Great Bend’s big, decorative “bird houses.” But these structures have something inside — books — all free for the taking.Little Free Libraries (LFLs) can be found across the United States, including central Kansas. These homespun, often colorful structures are based on sharing, with people invited to “take a book, return a book.”