Anne Buist’s Natalie King novel Dangerous to Know could be described as a true psychological thriller. But only because the two main characters are psychiatrists. Most of the plot is taken up with the psycho-personal tousle between bipolar-recovering-depressive forensic psychiatrist King and potentially-homicidal-manipulator academic psychiatrist Frank Moreton. And while it takes a fair while for this joust to develop any heat it does build to a satisfying and twisty resolution. Natalie King, still recovering from the events of Medea’s Curse, has taken herself away from the pressures of Melbourne and her full time practice. Moving to a house in Lorne, on the Victorian coast, she seeks a research position at the local university working for Frank Moreton. Frank is married to a very pregnant Alison, an old adversary of King’s from their university days. And when Alison dies in much the same circumstances as Frank’s first wife Reeva, Natalie feels duty bound to investigate. As with Medea’s Curse, the character of Natalie King is the strongest element of this novel. Fiercely intelligent but struggling to deal with her psychological disorders, trying and failing to downplay the motorcycle riding, rockband singing wild girl as a way of managing her condition. Her…