Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Justinian (novel) -  Justinian (ISBN 0-8125-4527-3) was published in 1998 by Tor Books. It is a novel by American writer Harry Turtledove writing under the pseudonym H. N. Turteltaub a name he used for a time when writing historical fiction.
Written Work