Doctor Who
Returning to Earth in the 21st century, the Doctor, Jamie and Zoe immediately find themselves caught in the midst of a crisis. T-Mat - a form of instantaneous transportation essential to the smooth running of life on Earth - is going disastrously wrong.

The Doctor discovers that the T-Mat Base on the Moon has been taken over by a group of Ice Warriors, led by the villainous Slaar. Their home a desolate and dying planet, the Martian invaders see Earth as a world ripe for conquest.

But before they can colonise Earth they must dramatically after its atmosphere. And so they unleash the Seeds of Death…
Children's fiction, Science fiction, Adventure and adventurers, fiction, London (england), fiction, Extraterrestrial beings, fiction
Terrance Dicks
Terrance Dicks is an English writer and former script editor, best known for his work in television and as the author of many popular children's books during the 1970s and 1980s.

His best known association during his television career was with Doctor Who, working as a writer and - from 1968 to 1974 - the program's script editor. He also adapted many of the televised stories into novelisations for Target Books.

Source: Wikipedia