Sorry if this is inappropriate, but I have just listed the seldon-seen Planescape Sketchbook on Amazon. For those of you who are not familiar with it, it is a 32-page booklet of conceptual art for the Planescape setting. Never sold in stores, it was available only at GenCon 1994. Fewer than 80 copies were sold. You can check out the details at http://www.acaeum.com/ps/promos/sketchbook.html and http://www.nobleknight.com/ProductDetail.asp_Q_ProductID_E_11573_A_Inven....
The Planescape Sketchbook has auctioned on e-Bay for $2,000 in 2008 and $1,550 in 2010. I am asking $1,500 for my copy, autographed by Dana Knutson (one of the conceptual artists). First-come, first-served. The order will be fulfilled by Amazon, eligible for free Super-Saver 3-day shipping, or if you have a Prime membership, free 2-day shipping. It is backed by Amazon's A-Z Guarantee. The direct link to the listing is http://www.amazon.com/Planescape-Sketchbook-Robh-Ruppel-Knutson/dp/B009E....
Own a piece of Planescape history. Like I said, first-come, first-served. I hope you enjoy it as much as I did.