BBC TikTok's BookTok chart may redefine what it means to be a bestseller for a new generation of readers If you've picked up a book recently, there's a good chance it's because someone on TikTok told you to. What we read is no longer driven by bookshops or bestseller charts alone, but by a constant stream of fast, highly personal recommendations. From rapid-fire reviews to emotional reactions, creators are shaping reading habits at scale and #BookTok has more than 77 million posts. Now, this influence is being formalised with the launch of the UK's first official #BookTok bestseller list. The new chart, compiled by Media Control and NielsenIQ BookData - which also provides data for traditional charts such as the Sunday Times bestseller list - combines UK sales data with analysis of the #BookTok hashtag. TikTok The chart is dominated by romance and "romantasy" titles, with authors like Chloe Walsh, Sarah J.…