Mary Higgins Clark and Karin Slaughter hit the top five on Apple's iBooks bestsellers list in the last week of 2017 with Where Are the Children? and The Good Daughter, respectively, following David Baldacci's End Game at #2 and E.L. James's unstoppable Darker at #1. Dan Brown rounds out the top five with Origin, while the late Sue Grafton's mystery classic A is for Alibi makes #14 on the list following her death last week at the age of 77.

iBooks US Bestseller List - Paid Books
Rank, Book Title by Author Name, ISBN, Publisher 

1. Darker by E L James - 9780385543989 - (Knopf Doubleday Publishing Group)
2. End Game by David Baldacci - 9781455586639 - (Grand Central Publishing)
3. Where Are The Children? by Mary Higgins Clark - 9780743206112 - (Simon & Schuster)
4. The Good Daughter by Karin Slaughter - 9780062430267 - (William Morrow)
5. Origin by Dan Brown - 9780385542692 - (Knopf Doubleday Publishing Group)
6. The People vs. Alex Cross by James Patterson - 9780316508827 - (Little, Brown and Company)
7. Picture Perfect by Jodi Picoult - 9781101147139 - (Penguin Publishing Group)
8. Little Fires Everywhere by Celeste Ng - 9780735224308 - (Penguin Publishing Group)
9. Twisted by Helen Hardt - 9781943893249 - (Waterhouse Press)
10. The Last Mrs. Parrish by Liv Constantine - 9780062667595 - (Harper)
11. Two Kinds of Truth by Michael Connelly - 9780316225915 - (Little, Brown and Company)
12. The Perfect Stranger by Megan Miranda - 9781501108013 - (Simon & Schuster)
13. The Rooster Bar by John Grisham - 9780385541183 - (Knopf Doubleday Publishing Group)
14. A Is for Alibi by Sue Grafton - 9781429901345 - (Henry Holt and Co.)
15. The Secret Life of Violet Grant by Beatriz Williams - 9781101596562 - (Penguin Publishing Group)
16. The Sum of All Fears by Tom Clancy - 9781101002377 - (Penguin Publishing Group)
17. Practical Magic by Alice Hoffman - 9781440673757 - (Penguin Publishing Group)
18. The Wanted by Robert Crais - 9780399573903 - (Penguin Publishing Group)
19. Orphan X by Gregg Hurwitz - 9781466876514 - (St. Martin's Press)
20. Sweet Little Lies by Abbi Glines - No ISBN Available - (Abbi Glines Publishing)