Shadows & mockery

"London 1972. Are ghosts really haunting Hampton Court Palace? Dr. Simon Carlisle is commanded to find out. The Queen's Gallery at Hampton Court Palace is known as the 'Haunted' Gallery. Two visitors collapse there during a guided tour. One dies shortly afterwards, and the other remains too ill to describe what happened, until she commits suicide. Inexperienced ghost hunters and the Vatican's most experienced exorcist are pitted against ruthless Satanists led by a psychopath with only one ambition...will good prevail?"--back cover.