E. F. Benson 
Visible and Invisible [PDF ebook] 

Visible and Invisible is an entertaining collection of supernatural tales from E. F. Benson. His writing is surprisingly readable, and his stories are both vivid and haunting.
It is a collection of ghost stories contains three powerful tales featuring the type of "spectres" that Benson seems to have been most haunted by: large ("Junonian, " as he might say), attractive, cheerful, outgoing, middle-aged women. In "The Outcast" she is a reincarnation of Judas, in "Inscrutable Decrees" she is an emotional sadist and a murderer by omission, and in "Mrs. Amworth"—one of the best supernatural tales ever written—she is a conventional but nevertheless terrifying vampire.
There are other good tales here too, particularly "Negotium Perambulans" (featuring a giant slug acting as an instrument of divine vengeance) and "Roderick's Story, " that rare tale about a benign haunting that still produces a shiver and the consciousness of a world beyond.
Contents
"And the dead spake—-" — The outcast — The Horror-horn — Machaon — Negotium perambulans — At the farmhouse — Inscrutable decrees — The gardener — Mr. Tilly's séance — Mrs. Amworth — In the tube — Roderick's story.