Gayle Forman's If I Stay, adapted into a film to be released on August 22, landed in the top spot on Apple's iBooks bestseller list for the week ended August 4. David Baldacci's Zero Day, released in 2011, hit #2, and last week's bestseller, Fifty Shades of Grey, fell to #3.

iBooks US Bestseller List - Paid Book

1. If I Stay by Gayle Forman - 9781101046340 - (Penguin Group US)
2. Zero Day by David Baldacci - 9780446573030 - (Grand Central Publishing)
3. Fifty Shades of Grey by E L James - 9781612130293 - (Knopf Doubleday Publishing Group)
4. No Second Chance by Harlan Coben - 9781101133996 - (Penguin Group US)
5. The Hunger Games by Suzanne Collins - 9780545698221 - (Scholastic Inc.)
6. Fifty Shades Darker by E L James - 9781612130590 - (Knopf Doubleday Publishing Group)
7. Plain Truth by Jodi Picoult - 9780743422819 - (Atria Books)
8. Good in Bed by Jennifer Weiner - 9780743418188 - (Atria Books)
9. Fifty Shades Freed by E L James - 9781612130613 - (Knopf Doubleday Publishing Group)
10. The Fault in Our Stars by John Green - 9781101569184 - (Penguin Group US)
11. The Addison Holmes Mystery Box Set by Liliana Hart - 9781940499222 - (Liliana Hart)
12. Wicked Prey by John Sandford - 9781101050798 - (Penguin Group US)
13. Big Little Lies by Liane Moriarty - 9780698138636 - (Penguin Group US)
14. Everywhere That Mary Went by Lisa Scottoline - 9780061741913 - (HarperCollins e-books)
15. The Lions of Lucerne by Brad Thor - 9780743483292 - (Atria Books)
16. Deadline by Sandra Brown - 9781455501526 - (Grand Central Publishing)
17. The King's Deception by Steve Berry - 9780345526564 - (Random House Publishing Group)
18. Where Are the Children? by Mary Higgins Clark - 9780743206112 - (Simon & Schuster)
19. The Heist by Daniel Silva - 9780062320070 - (Harper)
20. Not a Drill: A Jack Reacher Short Story by Lee Child - 9780804178839 - (Random House Publishing Group)