There are 4 on Trading Post, I have 2 of them. Selling at 1 million (pure) each. You could resell to get a very nice profit
Alien Aisha Invasion
Booktastic Book for 4 million. Not many of it around. Willing to go just under 4 million for PPT members.
Link: http://www.neopets.com/island/tradingpost.phtml?type=browse&criteria=id&search_string=311436482
Neomail me: http://www.neopets.com/neomessages.phtml?type=send&recipient=oops513
