Time to add HarperCollins and Simon & Schuster to the list of publishers who've managed to strongarm Amazon into acceding to their supposedly industry-saving agency pricing model. Under the new agreement, you might still see e-book versions of bestsellers priced at the familiar $9.99, but the majority will be jumping up to $12.99 and $14.99 price points, depending on the publisher's discretion. This is essentially the same deal that brought Macmillan books back to Amazon.com, and the e-tailer is believed to al
