I just got an email with the following code oct2thrillers20 the fine print stated the following.
Offer valid from September 26, 2011 at 12:00 AM through October 2, 2011 at 11:59 PM. This offer is not valid in conjunction with any other offer or promotion and cannot be used to adjust amount paid on previous purchases. Discount code is valid for one time 20% off any eBook purchase excluding those from the following publishers: In the UK - Hachette Book Group, HarperCollins, Penguin, Random House, Simon & Schuster, Wiley, and Zondervan, and all respective subsidiary imprints. In the US - Hachette Book Group, HarperCollins, Macmillan, Penguin, Random House, Simon & Schuster, Wiley, and Zondervan, and all respective subsidiary imprints. In CA - Hachette Book Group, HarperCollins, Macmillan, Penguin, Simon & Schuster, Wiley, and Zondervan, and all respective subsidiary imprints. In AU/NZ - Hachette Book Group, HarperCollins, Wiley, and Zondervan, and all respective subsidiary imprints. Newspapers and magazines are excluded from this offer. Promotional code must be entered at time of purchase to qualify for this discount. Discounts cannot be applied nor the discount value refunded once a purchase is complete. We reserve the right to change or end this offer at any time without notice.