Unu Ringo Ilin Regas: J.R.R.Tolkien en Esperanto

Unu Ringo Ilin Regas: J.R.R.Tolkien en Esperanto (One Ring Governs Them: J.R.R.Tolkien in Esperanto) is a booklet writed by Aleksander Korĵenkov , in Esperanto language about J.R.R. Tolkien's works.