http://harpercollins.com/features/holidaysweeps/?WT.mc_id=NEWS_HOTHARPER_NOV09
Five (5) winners will win a promotion code worth $50.00, to spend at HarperCollins.com.
The promotion code can only be used one time. If winners do not spend all $50 during their online shopping session the remaining value will not be carried over to any subsequent purchases.