geoff: booktok is having a major impact on the book industry.ult fiction, driven by booktok, grew by 25% over the previous year. last year it grew another 8%. adrian: i think a lot of people hopped on tiktok, especially during the pandemic, because we were isolated. geoff: adrian cepeda, who owns a bookstore, has himself jumped into the world of booktok. adrian: this was a way for me to reach people again through books and recommendations and really try and talk to them again about what they wanted to see and what they wanted to read. geoff: cepeda says his own booktok videos, and others, ar driving sales at his store. adrian: the minute a booktok video goes viral, the sales in my store gup for that book. geoff: booktok has become the go-to platform for readers looking to find recommendations for books in all kinds of genres, not always in the mainstream. chioma: it's like a mini universe of books that is encompassed in a social media platform. geoff: chioma nwuzi, who goes by "chibereading" on tiktok, has 17,000 followers. chioma: you're going