You can now buy Ghostbreakers anthologies at a discounted rate from RageMachine!
To buy Ghostbreakers: New Horrors, click here.
To buy Ghostbreakers:The Vampire-Hunters, click here.
Barnes and Noble is now selling the Rhine Institute anthology, Mystery in Mind.
I also have some used books (including a few rare occult books) for sale at Half.com. These are part of the overflow from my personal library.