The Possessors
by John Christopher (Hodder & Stoughton, 1965)
![Book cover: “The Possessors” by John Christopher (Hodder & Stoughton, 1965) [Sphere, 1978 edition]](https://www.derelictspacesheep.com/wp-content/uploads/2024/11/Christopher_Possessors.jpg)
The sort of novel whose publication in 1965 might well have informed Innes Lloyd and Gerry Davis as they gravitated Doctor Who towards ‘base under siege’ stories. Christopher postulates an isolated setting and bleak alien invasion scenario, grimly explored through damaged characters.