1. 1. THE GIRL ON THE TRAIN, by Paula Hawkins. (Riverhead.)
  2. 2. PRIVATE VEGAS, by James Patterson and Maxine Paetro. (Little, Brown.)
  3. 3. FIFTY SHADES OF GREY, by E. L. James. (Vintage.)
  4. 4. ALL THE LIGHT WE CANNOT SEE, by Anthony Doerr. (Scribner.)
  5. 5. VIPER GAME, by Christine Feehan. (Jove.)
  6. 6. GONE GIRL, by Gillian Flynn. (Crown.)
  7. 7. BEAUTIFUL REDEMPTION, by NOT ALLOWED. (NOT ALLOWED.)
  8. 8. THE SECRETS OF SIR RICHARD KENWORTHY, by Julia Quinn. (Avon/HarperCollins.)
  9. 9. BIG LITTLE LIES, by Liane Moriarty. (Amy Einhorn/Putnam.)
  10. 10. BOUND BY FLAMES, by Jeaniene Frost. (Avon/HarperCollins.)
  11. 11. STILL ALICE, by Lisa Genova. (Pocket Books.)
  12. 12. IN HIS KEEPING, by NOT ALLOWED. (Avon/HarperCollins.)
  13. 13. FIFTY SHADES DARKER, by E. L. James. (Vintage.)
  14. 14. THE ESCAPE, by David Baldacci. (Grand Central.)
  15. 15. GRAY MOUNTAIN, by John Grisham. (Doubleday.)
  16. 16. DARK PLACES, by Gillian Flynn (Broadway)
  17. 17. ONE NIGHT STAND, by J. S. Cooper and Helen Cooper (J.S. Cooper)
  18. 18. SAINT ODD, by Dean Koontz (Bantam)
  19. 19. FIFTY SHADES TRILOGY, by E. L. James (Vintage)
  20. 20. ORPHAN TRAIN, by Christina Baker Kline (Morrow/HarperCollins)