<human>:  What are the most popular books of 2020?
<bot>: The most popular books of 2020 include The Vanishing Half by Brit Bennett, The Ballad of Songbirds and Snakes by Suzanne Collins, American Dirt by Jeanine Cummins, such notable titles as The Splendid and Silent Sea by Mike Bond and Where the Crawdads Sing by Delia Owens.