Although 2012 is over, don’t expect the popularity of Fifty Shades of Grey to wane just yet. With a movie in the works, the fastest-selling paperback in history will no doubt remain a force to be reckoned with in 2013.

For the year ending Dec. 30, 2012:

1. Fifty Shades of Grey, E.L. James
(Vintage, $17.95 pa, 9780345803481)

2. Fifty Shades Darker, E.L. James
(Vintage, $17.95 pa, 9780345803498)

3. Fifty Shades Freed, E.L. James
(Vintage, $17.95 pa, 9780345803504)

4. The Hunger Games Trilogy Box Set, Suzanne Collins
(Scholastic, $59.97 cl, 9780545265355)

5. The Hunger Games, Suzanne Collins
(Scholastic, $9.99 pa, 9780439023528)

6. Fifty Shades Trilogy Box Set, E.L. James
(Vintage, $53.85 gift set, 9780345804044)

7. Catching Fire, Suzanne Collins
(Scholastic, $19.99 cl, 9780439023498)

8. Diary of a Wimpy Kid, #7: The Third Wheel, Jeff Kinney
(Harry N. Abrams/Canadian Manda Group, $16.95 cl, 9781419705847)

9. Mockingjay, Suzanne Collins
(Scholastic, $19.99 cl, 9780439023511)

10. Wheat Belly, William Davis
(HarperCollins, $17.99 pa, 9781443412735)

11. The Casual Vacancy, J.K. Rowling
(Little, Brown/Hachette, $36.99 cl, 9780316228534)

12. Bared to You, Sylvia Day
(Berkley/Penguin, $16 pa, 9780425263907)

13. The Looneyspoons Collection, Janet and Greta Podleski
(Granet Publishing, $34.95 pa, 9780968063156)

14. Game of Thrones Box Set, George R.R. Martin
(Bantam/Random House, $43.96 gift set, 9780345529053)

15. Guinness World Records 2013
(Guinness/Manda, $34.95 cl, 9781897553145)

16. Winter of the World, Ken Follett
(Dutton/Penguin, $38 cl, 9780525952923)

17. The Litigators, John Grisham
(Dell/Random House, $11.99 mm, 9780345530561)

18. The Heroes of Olympus: The Mark of Athena, Book Three, Rick Riordan
(Hyperion/HarperCollins, $19.95 cl, 9781423140603)

19. Reflected in You, Sylvia Day
(Berkley/Penguin, $16 pa, 9780425263914)

20. Divergent, Veronica Roth
(Katherine Tegen/HarperCollins, $10.99 pa, 9780062024039)