The mysterious Doctor & his granddaughter Susan are joined by unwilling adventurers Ian Chesterton & Barbara Wright in an epic struggle for survival on an alien planet. In a vast metal city they discover the survivors of a terrible nuclear war
- the Daleks. Held captive in the deepest levels of the city can the Doctor & his new companions stop the Daleks plan to totally exterminate their mortal enemies the peace-loving Thals? More importantly even if they can escape from the Daleks will Ian & Barbara ever see their home planet Earth again? This novel is based on the second Doctor Who story which was originally broadcast from 21 December 1963-1 February 1964 featuring the First Doctor as played by William Hartnell & his companions Susan Ian & Barbara.