Amazon has announced its best-selling products if the year along with the top 10 most popular items this Christmas.Paul Hawkins' breakthrough novel The Girl On The Train, which topped the UK hardback charts for 20 weeks, was the top-selling item of the year, followed by Amazon's own Fire TV stick, which allows users to stream internet television and the Prime Instant Video service.The best-selling item during the Christmas period was Adele's album 25, followed by Amazon's Kindle Fire...
