Roy Thomas Presents Collector's Pack Heap Signed Slipcase Edition

"Roy Thomas presents the original muck monster in exclusive slipcased three volume set. Roy Thomas has pushed for PS to make available all three volumes of their reprinted series of the world's very first muck monster in one easy-to-buy (and easy to afford!) special set, offered with special certificates signed by Mike Ploog, Frank Brunner and Stephen R.Bissette and a copy of the acclaimed PS Showcase paperback."