Frank Crisp – The Night Callers (Panther, Oct. 1961: originally John Long, 1960)
Blurb
ONE BY ONE THE VICTIMS VANISHED
When suburban homes are entered at night without reason and offices are secretly investigated — and when attractive young women vanish without trace one after another in identical circumstances — even Scotland Yard find it difficult to take a rational view of the situation.
These are the sinister circumstances of this spine-chilling story of a desperate struggle for man’s survival with the kidnappers from space.
My Name Is Death 