Dan Brown remains atop the iBooks bestseller list this week as his latest Robert Langdon novel, Origin, enters its second week in stores, while Stephen King returns to the top five with The Dark Tower I. Back, too, is E.L. James, with Darker hitting the #5 slot following news that James would pen a book describing its events from the perspective of Christian Grey.

iBooks US Bestseller List - 10/15/17 - Paid Books
Rank, Book Title by Author Name, ISBN, Publisher

1. Origin by Dan Brown - 9780385542692 - (Knopf Doubleday Publishing Group)
2. The Dark Tower I by Stephen King - 9781501141386 - (Scribner)
3. The Cuban Affair by Nelson DeMille - 9781501101748 - (Simon & Schuster)
4. Don't Let Go by Harlan Coben - 9780698411661 - (Penguin Publishing Group)
5. Darker by E L James - 9780385543989 - (Knopf Doubleday Publishing Group)
6. Little Fires Everywhere by Celeste Ng - 9780735224308 - (Penguin Publishing Group)
7. Turtles All the Way Down by John Green - 9780525555353 - (Penguin Young Readers Group)
8. The Girl Who Takes an Eye for an Eye by David Lagercrantz - 9780451494337 - (Knopf Doubleday Publishing Group)
9. Before We Were Yours by Lisa Wingate - 9780425284698 - (Random House Publishing Group)
10. The Dark Tower II by Stephen King - 9781501141393 - (Scribner)
11. A Column of Fire by Ken Follett - 9780735224476 - (Penguin Publishing Group)
12. Enemy of the State by Kyle Mills & Vince Flynn - 9781476783543 - (AtriaEmily Bestler Books)
13. You Do Something to Me (The Sullivans) by Bella Andre - 9781945253461 - (Oak Press, LLC)
14. Fairytale by Danielle Steel - 9781101884072 - (Random House Publishing Group)
15. The Nightingale by Kristin Hannah - 9781466850606 - (St. Martin's Press)
16. Manhattan Beach by Jennifer Egan - 9781476716756 - (Scribner)
17. Haunted by James O. Born & James Patterson - 9780316466479 - (Little, Brown and Company)
18. Dirty Little Promise by Kendall Ryan - No ISBN Available - (Kendall Ryan)
19. Vanish by Tess Gerritsen - 9780345484758 - (Random House Publishing Group)
20. Killing England by Bill O'Reilly & Martin Dugard - 9781627790659 - (Henry Holt and Co.)