(From the publisher):
Whilst visiting the Master, who has been exiled to a luxurious castle prison on a small island, Doctor Who and Jo Grant learn that a number of ships have vanished in the area. Whilst investigating these mysterious disappearances Jo and the Doctor are attacked by a Sea-Devil, one of a submarine colony distantly related to the Silurians. Soon they discover that the Sea-Devils plan to conquer the earth and enslave humanity, aided and abetted by the Master. What can Doctor Who do to stop them?
Novelization of the Doctor Who TV series; six episode story "The Sea-Devils" (1972), script by Malcolm Hulke.
Original title: Doctor Who and the Sea-Devils
Genre: Fiction→ Science Fiction→ Shared Worlds