The terrifying presence of a restless spirit on the top deck of a London bus; a possession at the bridge table on a cruise up the Nile; a nightmare encounter with druidic sacrifice in the innocuous setting of a terraced back garden... E F Benson's 'spook stories' pushed the boundaries of the ghost story tradition by exploring new, previously 'out of bounds' settings - such as public transport and even hauntings by daylight - to frighten his readers from the 1890s to the 1930s.