Nielsen BookScan Christmas figures: Value and volume up; Jamie Oliver tops the bestsellers

Value and volume sales were up in both the 12-week and four-week periods leading to 23 December 2017, compared to the same periods in 2016. The volume of books sold was up 4.2% to 18.55m units in the 12 weeks from 1 October, and value was up 4.9% over the...