Amanda Knox's Waiting to Be Heard debuted as the #1 nonfiction hardcover, but #9 on the bestseller list overall, selling 21,264 copies, according to Nielsen BookScan, for the week ending May 5.That debut number was just enough to top 2013's overall bestselling book (489,264 copies year-to-date), Proof of Heaven, which landed at #10 with 21,119 copies sold. The hottest selling new nonfiction book so far this year, Lean In, sold about 74,000 print copies in its first week on sale.

Among the 10 overall seller, seven were hitting the list for the first time, including two from James Patterson: his 12th of Never was #1 overall (68,171 copies) and the just-released mass market of Guilty Wives was #8 with 22,655 copies.

Between two editions, including a new movie tie-in edition, The Great Gatsby sold 43,866 copies. F. Scott Fitzgerald's classic has seen a sales rise as the May 10 release of its film adaptation approaches.