The Zen Military - A History of UNIT
From Tardis Wiki, the free Doctor Who reference
The Zen Military - A History of UNIT was a book written by Kadiatu Lethbridge-Stewart and published in 2006. It revealed that UNIT had its roots in the Intrusion Countermeasures Group. (PROSE: Remembrance of the Daleks, Christmas on a Rational Planet) Her descendant, also named Kadiatu, had read the book. (PROSE: Set Piece)