When journalist and ghost sceptic Will Storr heads to Philadelphia to meet Lou Gentile, a demonologist, he expects a little fun with an amusing eccentric. What

Will Storr doesn't believe in ghosts. Not, that is, until he is sent on a journalistic assignment to follow Lou Gentile, a Demonologist from Philadelphia. What

There has been an upsurge in books, television programmes, films and websites exploring the reality or otherwise of the spirit world. Not since the founding of

This fascinating work provides a complete overview of paranormal phenomena, including the beliefs, attitudes, and notable figures who have attempted to explain,