Nielsen BookScan US data on Wednesday determined that Walter Isaacson's biography of Steve Jobs was by far the most popular book in its first week of sales. The title, which costs as much as $35 in paper form and about half as much in digital, moved 379,000 copies just in the US, Bookseller noted. It was over three times more popular than John Grisham's legal drama The Litigators and about eight times more popular than neoconservative Bill O'Reilly's Killing Lincoln.