Edward John Moreton Drax Plunkett, 18th Baron of Dunsany,, commonly known as Lord Dunsany, was an Anglo-Irish writer and dramatist. He published more than 90 books during his lifetime, and his output consisted of hundreds of short stories, plays, novels, and essays. He gained a name in the 1910s as a great writer in the English-speaking world. Best known today are the 1924 fantasy novel, The King of Elfland's Daughter, and his first book, The Gods of Pegāna, which depicts a fictional pantheon. Many critics feel his early work laid grounds for the fantasy genre.

The King of Elfland's Daughter is a 1924 fantasy novel by Anglo-Irish writer Lord Dunsany. It is widely recognized as one of the most influential and acclaimed works in all of fantasy literature. Although the novel faded into relative obscurity following its initial release, it found new longevity and wider critical acclaim when a paperback edition was released in 1969 as the second volume of the Ballantine Adult Fantasy series.