“Led by Harry Potter’s newest incarnation in a West End play, Rowling’s first screenplay and titles by diet and fitness guru Joe Wicks, annual book sales in the UK rose to just over £1.59bn in 2016, from £1.51bn in the previous year, according to the annual sales roundup from data specialist Nielsen BookScan. The number of physical books sold also rose, from 190m in 2015 to 195m, in the 12 months to December 2016.”