Best-selling fiction book (current)

The best-selling fiction title of 2020 was Stephanie Meyer's young adult novel Midnight Sun, which was published by Little, Brown and Company (a division of Hachette) on 4 August 2020. The NPD Group and Nielsen Book Research recorded combined sales of 1,847,843 worldwide as of 1 Jan 2021.

Midnight Sun is a companion to Stephanie Meyer's 2005 bestseller Twilight, retelling the story from the perspective of vampire Edward Cullen. The second and third places in the charts were held by Delia Owens' Where the Crawdads Sing (1,736,500 copies sold) and Charlie Mackesy's The Boy, the Mole, the Fox and the Horse (1,686,186 copies).