This book "" 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 "", has been considered important throughout the human history, and so that this work is never forgotten we have made efforts in its preservation by republishing this book in a modern format for present and future generations. This whole book has been reformatted, retyped and designed. These books are not made of scanned copies and hence the text is clear and readable.