Harper Lee’s Go Set a Watchman, which sold 1.1 million hardcover copies in its first week on sale, also hit #1 on Apple’s iBooks bestseller list, for the week ended July 20. The book, likely the biggest of the year, ousted E.L. James’s Grey from the top spot, pushing it to #2. Paula Hawkins's The Girl on the Train, which dominated the list in the first half of the year, hit #3.

iBooks US Bestseller List - Paid Books

Rank, Book Title by Author Name, ISBN, Publisher

1. Go Set a Watchman by Harper Lee - 9780062409874 - (Harper)

2. Grey by E L James - 9781101946350 - (Knopf Doubleday Publishing Group)

3. The Girl on the Train by Paula Hawkins - 9780698185395 - (Penguin Publishing Group)

4. Paper Towns by John Green - 9781101010938 - (Penguin Young Readers Group)

5. To Kill a Mockingbird by Harper Lee - 9780062368683 - (Harper)

6. Code of Conduct by Brad Thor - 9781476717173 - (Atria/Emily Bestler Books)

7. The English Spy by Daniel Silva - 9780062320155 - (Harper)

8. Luckiest Girl Alive by Jessica Knoll - 9781476789651 - (Simon & Schuster)

9. The Rumor by Elin Hilderbrand - 9780316334501 - (Little, Brown and Company)

10. Naked Greed by Stuart Woods - 9781101664247 - (Penguin Publishing Group)

11. Down the Rabbit Hole by Holly Madison - 9780062372123 - (Dey Street Books)

12. The Martian by Andy Weir - 9780804139038 - (Crown/Archetype)

13. The Nightingale by Kristin Hannah - 9781466850606 - (St. Martin's Press)

14. All the Light We Cannot See by Anthony Doerr - 9781476746609 - (Scribner)

15. Unforgettable Love by Kelly Elliott - 9780986389559 - (K Elliott Enterprises, Inc.)

16. Between the World and Me by Ta-Nehisi Coates - 9780679645986 - (Random House Publishing Group)

17. Fifty Shades Darker by E L James - 9781612130590 - (Knopf Doubleday Publishing Group)

18. Nemesis by Catherine Coulter - 9780698164895 - (Penguin Publishing Group)

19. Fifty Shades Freed by E L James - 9781612130613 - (Knopf Doubleday Publishing Group)

20. Dark Places by Gillian Flynn - 9780307459923 - (Crown/Archetype)