It’s been a year since “Blaenavon, the small coal and iron town in South Wales, launched an audacious experiment – to build a new prosperity based on second-hand books in a post-industrial graveyard of dead jobs. The town’s steep main street is a hill of dreams. The new booksellers have put behind them stalled lives, broken marriages, stifling jobs, and invested not just money but passionate hope.” So how’s it going?