Shakespeare's "Hamlet" is not a wholly original story, but is the greatest retelling of the legend of Amleth, recorded by the Danish historian Saxo Grammaticus four centuries before Shakespeare. Saxo's tale is a highly entertaining adventure in its own right and provides insights into the creative processes by which the old, pagan legend evolved to strike fire in the Christian age of Elizabethan theater. This accurate new translation of "The Revenge...