"The Last Book of Wonder" (originally published as "Tales of Wonder") is the tenth book and sixth original short story collection of Irish fantasy writer Lord Dunsany, considered a major influence on the work of J. R. R. Tolkien, H. P. Lovecraft, Ursula K. Le Guin and many others. "The Last Book of Wonder" was Dunsany's own preferred title. The book collects nineteen short stories by the author, plus a Preface.