- You may be looking for the short story.
The Tenth Doctor claimed to love biographies. Donna Noble reasoned that he would, since there was "always a death at the end." According to the Doctor, biographies were located near the equator of the Library. (TV: Silence in the Library)
Types of biographies
British Prime Minister Harriet Jones had planned an autobiography which covered her encounter with aliens by December 2006. However, it was banned by an Act of Parliament. (TV: The Christmas Invasion)