The bibliography below is

an attempt to list the books that have been published treating Tolkien,

be they biographies, criticism, bibliographies, dictionaries, concordances, quiz books

or any other book aboutTolkien and his writings.

Some categories are excluded, however.

Works of fiction, based on Tolkienian events or characters are excluded

as well as musical, theatrical or any other adaption of Tolkien’s writings.

This also goes for game books with a basis in Tolkien’s writings.