J.K. Rowling and Paula Hawkins kept their #1 and #2 slots, respectively, on the iBooks bestsellers list as Harry Potter and the Cursed Child: Parts 1 and 2 and The Girl on the Train continue to captivate audiences. At #3 is Truly Madly Guilty by Liane Moriarty, with James Patterson's Bullseye barely missing the mark at #4. Billy Taylor's self-published Just Friends is #5.

iBooks US Bestseller List - Paid Books

Rank, Book Title by Author Name, ISBN, Publisher

1. Harry Potter and the Cursed Child: Parts 1 and 2 (Special Rehearsal Edition) by J.K. Rowling - 9781781107041 - (Pottermore)
2. The Girl on the Train by Paula Hawkins - 9780698185395 - (Penguin Publishing Group)
3. Truly Madly Guilty by Liane Moriarty - 9781250069818 - (Flatiron Books)
4. Bullseye by James Patterson - 9780316284554 - (Little, Brown and Company)
5. Just Friends by Billy Taylor - 9781530511518 - (Billy Taylor)
6. The Woman in Cabin 10 by Ruth Ware - 9781501132940 - (GalleryScout Press)
7. It's Not Okay by Andi Dorfman - 9781501132476 - (Gallery Books)
8. Outlander by Diana Gabaldon - 9780440335160 - (Random House Publishing Group)
9. The Black Widow by Daniel Silva - 9780062320247 - (Harper)
10. Biology by Joseph S. Levine, Ph.D., Ph.D. & Kenneth R. Miller - 9780133226713 - (Pearson Education, Inc.)
11. Close to You by Kristen Proby - 9780062434784 - (William Morrow Paperbacks)
12. Behind Closed Doors by B. A. Paris - 9781250121011 - (St. Martin's Press)
13. Three Sisters, Three Queens by Philippa Gregory - 9781476758756 - (Touchstone)
14. The Underground Railroad (Oprah's Book Club) by Colson Whitehead - 9780385537049 - (Knopf Doubleday Publishing Group)
15. Insidious by Catherine Coulter - 9781501150319 - (Gallery Books)
16. Hillbilly Elegy by J. D. Vance - 9780062300560 - (Harper)
17. Smooth Operator by Parnell Hall & Stuart Woods - 9780399185281 - (Penguin Publishing Group)
18. Before the Fall by Noah Hawley - 9781455561803 - (Grand Central Publishing)
19. Every Beat Of My Heart: The Sullivans (Wedding Novella) by Bella Andre - 9781945253157 - (Oak Press, LLC)
20. World History by Dahia Ibo Shabaka, Larry S. Kreiger, Linda Black, Phillip C. Naylor & Roger B. Beck - 9780544025387 - (Houghton Mifflin Harcourt)