LONDON, Oct 13 (Reuters) PDF EBOOK - Search and download PDF files for free. The British and Irish arm of IKEA is offering to buy back unwanted IKEA furniture from customers, which it will then resell in stores as second hand, it said on Tuesday. It said the "Buy Back" initiative, launching on Nov.27, is part of the world's biggest furniture retailer's goal of becoming "a fully circular and climate...