The Friendly Daemon, or the Generous Apparition Being a True Narrative of a Miraculous Cure, Newly Perform'd Upon That Famous Deaf and Dumb Gentleman, Dr. Duncan Campbel, by a Familiar Spirit That Appear'd to Him in a White Surplice, Like a Cathedral Singing Boy

"The Friendly Daemon, or the Generous Apparition" by Daniel Defoe is a story from the 1700s about Dr. Duncan Campbel, who was deaf and mute, is miraculously healed. The story tells how Dr. Campbel was very sick, with shaking fits that made it hard for him to talk. He had been sick for years and no medicine helped, until a ghost that looked like a boy in white visited him and shared how to get better using special powder. Campbel gets better which helps him go back to work and help people with similar problems. The story explores how faith and weird happenings can affect how people get healthy, hinting that answers might come from strange and unseen places.