Dr. Potter's Medicine Show by Eric Scott Fischl...*

Dr Alexander Potter, disgraced Civil War surgeon, now snake-oil salesman, travels the Pacific Northwest with a disheartened company of strongmen, fortune-tellers, and musical whores. Under their mysterious and murderous leader they entertain the masses while hawking the Chock-a-saw Sagwa Tonic, a vital elixir touted to cure all ills both physical and spiritual. For a few unfortunate customers, however, the Sagwa offers something much, much worse...*