Gulliver's Travels, whose full title is Travels into Several Remote Nations of the World. In Four Parts. By Lemuel Gulliver, First a Surgeon and then a Captain of Several Ships is a prose satire by Irish writer and clergyman Jonathan Swift, that is both a satire on human nature and the "travellers' tales" literary subgenre. It is Swift's best known full-length work and a classic of English literature The book became popular as soon as it was published. John Gay wrote in a 1726 letter to Swift that "It is universally read, from the cabinet council to the nursery."