Doctor Who: Cat's Cradle: Time's Crucible

Marc Platt

Doctor Who: Timewyrm-Genesys (Virgin New Adventures, #1)

John Peel

Doctor Who: Timewyrm-Exodus (Virgin New Adventures, #2)

Terrance Dicks

Doctor Who: Timewyrm-Apocalypse (Virgin New Adventures, #3)

Nigel Robinson

Doctor Who: Timewyrm-Revelation (Virgin New Adventures, #4)

Paul Cornell