'Instantly the spirit of hell awoke in me and raged...I was suddenly struck through the heart by a cold thrill of terror.' Stevenson's short novel, published in 1886, became an instant classic. It was a Gothic horror that originated in a feverish nightmare, whose hallucinatory setting in the murky back streets of London gripped a nation mesmerized by crime and violence. The respectable doctor's mysterious relationship with his disreputable associate is finally revealed in on