Although ill health interrupted his education, Rhys showed early promise and an innate love of books. In 1886 he became a poet and free-lance critic and editor in London. He contributed to reviews and to the two volumes published by the Rhymers' Club, of which he, with William Butler Yeats, was a founder-member, and was employed by various publishers as an editor. His association with the publisher J.M. Dent began with his editing a series of lyric poetry (1894–99), and in 1904 Dent invited him to edit Everyman's Library (a title suggested by Rhys). The first volume came out in 1906, and, by the time of Rhys's death, of the 1,000 volumes planned, 983 had been published. Rhys's own writings included volumes of essays and poems and two volumes of reminiscences, Everyman Remembers (1931) and Wales England Wed (1940).