Has written novels based on
Docteur Who (1963) for Virgin Publishing: "Timewyrm: Revelation", "Love and War", "No Future", "Goth Opera", "Human Nature", and "Happy Endings". Cornell has also written the BBC "Doctor Who" novel "The Shadows Of Avalon" and edited a short story volume "Doctor Who - Short Trips: A Christmas Treasury" for Big Finish. Also, has penned three audio plays based on the series for Big Finish Productions: "The Shadow Of The Scourge", "Seasons Of Fear", and "Circular Time" as well as "The 100 Days of the Doctor", part 4 of the 100th Anniversary Big Finish release.