Spiral Scratch (novel)

Publisher's summary
Carsus: the largest repository of knowledge in the universe -- in any universe, for there is an infinite number of potential universes; or rather, there should be. So why are there now just 117,863? And why, every so often, does another one just wink out of existence?

The Doctor and Mel arrive on Carsus to see the Doctor’s old friend Professor Rummas -- but he has been murdered. Can they solve the mystery of a contracting multiverse, and expose the murderer?

With the ties that bind the Lamprey family to the past, present and future coming unraveled around him, only the Doctor can stop the descent into temporal chaos. But he is lost on Janus 8. And Schyllus. And a twentieth-century Earth where Rome never fell. And...

Characters

 * The Doctor
 * Melanie Bush
 * Monica Lamprey
 * Shepherd Mullen
 * Professor Rummus
 * a Time Lord
 * a friend of the Doctor on Carsus
 * Joseph Tungard
 * Richard de Calne
 * Sir Bertrand Lamprey

Continuity
Mel witnesses several different versions of The Doctor including one with a penguin presumably Frobisher and two wearing a blue coat (from the online story Real Time) both accompanied by a lady in her fifties who is meant to be Evelyn Smythe (though Mel doen't recognise her despite having met her in both Instuments Of Darkness and Thicker Than Water). The second version of Evelyn is part Cyberman (also from Real Time)

Timeline

 * Spiral Scratch occurs after ST: Curtain Call
 * Spiral Scratch occurs immediately before: DW: Time and the Rani