Doctor Who: The Mind of Evil

Eminent scientist Emil Keller has developed a revolutionary new process for the treatment of hardened criminals. His invention, the Keller Machine, is being heralded as a major scientific breakthrough.

But Professor Keller is in truth the Master and the Keller Machine is much more than a mere machine. Soon the Doctor is involved in a bitter struggle with his deadliest enemy, an alien mind parasite, and a diabolical scheme to plunge the world into a Third World War...

• Author
• Terrance Dicks

• Format
• paperback

• Pages
• 144

• Series
• Doctor Who Library (Target)

• Publisher
• Target Books

• Language
• english

• ISBN
• 9780426201663

• Characters
• Jo Grant, UNIT, Brigadier Lethbridge-Stewart, The Master (Doctor Who), The Third Doctor

• Settings
• United Kingdom

• Genres
• fiction

• Release date
• 1985