Greek Islands welcomed 27.5 million tourists including the cruise passengers in 2016 (Source: Theguardian.com),Comprehensive island coverage, chapters on Athens and mainland ports help you plan a host of different island hopping itineraries,Includes stunning photography throughout and top tips about ferry booking,Rough Guides was the No. 3 travel guide publisher in 2016, worth ?.3 million (Nielsen Bookscan)