A scientist oversteps the bounds of conscience and brings to life a tortured creation. A young adventurer succumbs to the night world of a diabolic count. A man of medicine explores his darker side only to fall prey to it. They are legendary tales that have held readers spellbound for more than a century. The titles alone—Frankenstein, Dracula, and Dr. Jekyll and Mr. Hyde—have become part of a universal language that serves to put a monster’s face on the good-and-evil duality of our very human n