An unabridged reading of this original novel featuring the Third Doctor, simply because played on Television by Jon Pertwee. When a guy goes missing and a policewoman starts drawing cave paintings, the Doctor suspects the Silurians are back. Using the Brigadier sidetracked by questions about UNIT financing and problems in the home, the Doctor swears his helper Liz Shaw to secrecy and investigates only.

But Liz has enquiries of her personal, teaming up with a journalist to locate individuals who don’t exist. What’s the strange Glasshouse, and why is it so secret?

As the Silurians wake using their ancient slumber, the physician, Liz as well as the Brigadier are caught up within a conspiracy to exploit UNIT’s achievements – a conspiracy that reaches deep into the heart of the British Federal government. Duration: 8 hours approx