Mind reader's skill (3)
I believe the answer is:
esp
'mind reader's skill' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for esp that I've seen before include "Second sight (abbr)" , "Apparent power to perceive things that others can't, in short" , "Initially, clairvoyance or telepathy" , "Apparent power to perceive things that others can't, initially" , "Extrasensory perception (abbrev.)" .)