Which book became the first major bestseller attributed primarily to #BookTok influencer marketing, leading publishers to create dedicated TikTok marketing departments?

In the evolving world of publishing, influencer marketing has dramatically changed how books reach audiences. Major publishers now allocate significant portions of their marketing budgets to social media campaigns and influencer partnerships. This trend has revolutionized book promotion, with some literary influencers achieving unprecedented success in driving sales. Test your knowledge about a recent landmark in literary influencer marketing that changed industry practices.

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"They Both Die at the End" by Adam Silvera
"The Midnight Library" by Matt Haig
"The Silent Patient" by Alex Michaelides
"Where the Crawdads Sing" by Delia Owens