Macmillan The Vernor Vinge Prize Pack Sweepstakes

http://us.macmillan.com/tor/promo/vingeprizepack?WT.mc_id=10223
Prizes. Four (4) Winners will receive one trade paperback copy each of The Collected Stories of Vernor Vinge by Vernor Vinge (approximate retail value [ARV] $17.95), The Collected Stories of Vernor Vinge by Vernor Vinge (ARV $17.95) ), The Fire Upon the Deep by Vernor Vinge (ARV $14.99) ), Marooned in Realtime by Vernor Vinge (ARV $14.99) ), The Peace War by Vernor Vinge (ARV $15.99) ), Tatja Grimm’s World by Vernor Vinge (ARV $15.95), True Names and the Opening of the Cyberspace Frontier by Vernor Vinge (ARV $17.99), and The Witling by Vernor Vinge (ARV $13.95), one mass market paperback copy each of A Deepness in the Sky by Vernor Vinge (ARV $7.99) and )and Rainbows End by Vernor Vinge (ARV $7.99), and one advance reading copy of ), The Children of the Sky by Vernor Vinge (ARV $3.50). ARV of Prize Pack: $149.24. ARV of all Prizes: $596.96.