This publication comprises a thorough explanation of glibness/psychopathy, a subject of which has not been tackled in the mainstream. It incorporates the indicators of glibness/psychopathy; how glibness is of such focussed importance; glibness and its direct relationship with psychopathy, sociopathy, and antisocial personality disorder; childhood, adolescence, and adulthood (including profiling for each) glibness/psychopathy; workplace glibness (psychopathy); and, assessment of glibness/psychopathy. A comprehensive set of questions feature at the end of the publication in order to facilitate the reader, as necessarily inclusive.