long out of print since Man's Ruin went out of business but well worth seeking out if you can find them cheap anywhere

or...

download them here

http://stonerobixxx.blogspot.com/2008/10/desert-sessions-vols-1-2.html
http://stonerobixxx.blogspot.com/2008/10/desert-sessions-vols3-4-1998.html
http://stonerobixxx.blogspot.com/2008/10/desert-sessions-vols5-6-1999.html
http://stonerobixxx.blogspot.com/2008/10/desert-sessions-vols7-8-2001.html
http://stonerobixxx.blogspot.com/2008/10/desert-sessions-vols9-10-2003.html

Volume 3 & 4 is probably my favourite set, good jamming but with enough song to keep the thing together. Plus it has two versions of Avon on it!