Amazon announces its best-selling books of 2016 and No. 1 won't surprise you at all

The Harry Potter books have long been bestsellers, and now they're joined by the first Harry Potter play. The script for Harry Potter and the Cursed Child, now on stage in London, was Amazon's No. 1 bestseller of 2016.

“The power of Potter is still strong, and readers of all ages can’t get enough of Hogwarts," said Amazon Senior Book Editor Chris Schluep in a press release. "Harry Potter and the Cursed Child was the most anticipated book of the year, breaking pre-order records months before its release.”

Cursed Child is first play ever to reach Amazon's top 20 bestsellers for a year. Here is the full list.

1. Harry Potter and the Cursed Child, Parts 1 & 2, Special Rehearsal Edition Script by J.K. Rowling, Jack Thorne and John Tiffany

2. When Breath Becomes Air by Paul Kalanithi

3. The Whistler by John Grisham

4. The Last Mile (Amos Decker series) by David Baldacci

5. Killing the Rising Sun: How America Vanquished World War II Japan by Bill O'Reilly and Martin Dugard

6. Hillbilly Elegy: A Memoir of a Family and Culture in Crisis by J.D. Vance

7. Truly Madly Guilty by Liane Moriarty

8. Night School: A Jack Reacher Novel by Lee Child

9. The Black Widow: Book 16 of Gabriel Allon Series by Daniel Silva

10. Diary of a Wimpy Kid # 11: Double Down by Jeff Kinney

11. Take Heart, My Child: A Mother's Dream by Ainsley Earhardt and Kathryn Cristaldi

12. Glass Sword (Red Queen) by Victoria Aveyard

13. Ghosts by Raina Telgemeier

14. A Court of Mist and Fury: Book 2 of A Court of Thorns and Roses by Sarah J. Maas

15. Gravity Falls: Journal 3 by Alex Hirsch and Rob Renzetti

16. Calamity (The Reckoners) by Brandon Sanderson

17. Give Please a Chance by Bill O’Reilly and James Patterson

18. Pax by Sara Pennypacker and Jon Klassen

19. The Thank You Book (An Elephant and Piggie Book) by Mo Willems

20. Broken Prince: Book 2 of The Royals Series by Erin Watt