I wonder why this was never made into a Hammer Horror film, as it has many ingredients, particularly a beautiful heroine beguiled by a charming, powerful Dark Master? I found this a book of two halves, the first half I really liked. There is a powerful and tragic scene where Isobel is trapped in a loveless and utterly unfulfilling marriage to farmer John Gilbert and, even though she hates him for being physically unclean and emotionally mean-spirited, Isobel tries to tempt him by wearing a slight and silky French dress from her past, and he snubs her, leaving her bereft of even the power to seduce someone she doesn't want. At this lowest point she believes she will live out her life in utter unfulfillment until the day she dies. This description gives all the impetus and emotional sympathy needed to explain why she accepts the Dark Master and embarks on the erotic and hedonistic rollercoaster that follows. The second half of the book began to lose me, first the long descriptions of their hunts and spells and then the strange redemption she finds through once being baptised a Catholic. The second half is mostly about Sir Robert Gordon, his niece Jean and Cosmo Hamilton. I think my interest waned as the story got further from Auldearn and what I believe to be the most plausible reality of Isobel's extraordinary historic confessions. The first half of the Devil's Mistress is good as a on-face-value description of Isobel's confessions, if there actually was a Devil. If you want to know what I believe to be closer the truth in the real world you can read my book "Isobel Gowdie: Alas that I should compare him to a man". I believe the likely truth was much more rooted in the earthy toil of the fermtoun and a Scotland where the Reformed Kirk was stringent against all but the most conforming. A few final words on the Devil's Mistress, it is informed and enlivened by J W Brodie-Innes' own background, his knowledge of the locality and some of the metaphysics will be informed by his role in the Hermetic Order of the Golden Dawn of Amen-Ra. This leads me to a final thought, in one scene Isobel slips out of a purple, arctic fox fur lined robe and stands statuesquely naked in Auldearn kirkyard invoking the triple Roman Goddess < Lucina, Diana, Hecate. I would bet no-one did this in the 1660s and not even in the 1960s!