The Dark Days Deceit by Alison Goodman SPOILER FREE FOR THIS BOOK. However, since this is the third book in a series, there will be spoilers for the first two books. From Goodreads: Lady Helen has retreated to a country estate outside Bath to prepare for her wedding to the Duke of Selburn, yet she knows she has unfinished business to complete. She and the dangerously charismatic Lord Carlston have learned they are a dyad, bonded in blood, and only they are strong enough to defeat the Grand Deceiver, who threatens to throw mankind into chaos. But the heinous death-soaked Ligatus Helen has absorbed is tearing a rift in her mind.…