With Jane Baker, co-wrote the novelization adaptations of the Doctor Who episodes Mark of the Rani, Ultimate Foe, Time and the Rani, Terror of the Vervoids.
With Jane Baker, co-wrote the Doctor Who "find your fate" book Race Against Time.
Provided a commentary for the Doctor Who DVD "The Ultimate Foe".
Provided a commentary for the Doctor Who DVD "Terror of the Vervoids".
(2010) Provided a commentary for the Doctor Who (1963) DVD "Time and the Rani".