On the return voyage from Balefire Manor, Whyborne receives the worst news possible: Widdershins has fallen before the onslaught of the Fideles and their servants. There’s still time to stop the return of the Masters, but that window grows shorter by the hour. Together with Christine and Iskander, Whyborne and Griffin must reach Widdershins to face the ultimate test and decide the fate of the world, once and for all.

Widdershins has been unusually quiet for months. But now a mysterious creature from the Outside is on the loose, assassinating members of the town's old families by draining their blood. Whyborne and Griffin set out to solve the mystery -- but as the evidence piles up, the police begin to suspect Whyborne himself is the murderer.

When Griffin's past collides with his present, will it cost the lives of everyone he loves? Between the threat of a world-ending invasion from the Outside and unwelcome revelations about his own nature, Percival Endicott Whyborne is under a great deal of strain. His husband, Griffin Flaherty, wants to help - but how can he, when Whyborne won't tell him what's wrong?

Between his father's sudden - and rather suspicious - generosity, and his own rash promise to help Christine plan her wedding, Percival Endicott Whyborne has quite enough to worry about. But when the donation of a mysterious codex to the Ladysmith Museum draws the attention of a murderous cult, Whyborne finds himself in a race against time to unlock its secrets first. Griffin has a case of his own: the disappearance of an historic map, which quickly escalates to murder.

What happens when an exorcist falls in love with the demon he's supposed to destroy? Unregistered paranormal Caleb Jansen only wants a normal life. But when the demon-hunting spirit Gray accidentally possesses him, Caleb finds himself in a countdown for his very existence.

Sorcerer Percival Endicott Whyborne and his husband, Griffin Flaherty, have enjoyed an unprecedented stretch of peace and quiet. Unfortunately, the calm is shattered by the arrival of a package from Griffin's brother, Jack, who has uncovered a strange artifact while digging for gold in Alaska. The discovery of a previously unknown civilization could revive the career of their friend, Dr. Christine Putnam, or it might kill them all if the hints of dark sorcery surrounding the find are true.

Introverted scholar Percival Endicott Whyborne wants nothing more than to live quietly with his lover, ex-Pinkerton detective Griffin Flaherty. Unfortunately, Whyborne's railroad tycoon father has other ideas, namely hiring Griffin to investigate mysterious events at a coal mine. Whyborne, Griffin, and their friend Christine travel to Threshold Mountain, a place of dark legend even before the mine burrowed into its heart.

Whyborne's lover, dashing ex-Pinkerton detective Griffin Flaherty, agrees to prove Allan's innocence. But when Allan is deemed insane and locked away in the Stormhaven Lunatic Asylum, Griffin finds himself reliving the horrifying memories of his own ordeal inside a madhouse.

Introverted scholar Percival Endicott Whyborne has spent the last few months watching his lover, Griffin Flaherty, come to terms with the rejection of his adoptive family. So when an urgent telegram from Christine summons them to Egypt, Whyborne is reluctant to risk the fragile peace they've established. Until, that is, a man who seems as much animal as human tries to murder Whyborne in the museum. Amidst the ancient ruins of the pharaohs, they must join Christine and face betrayal, murder, and a legendary sorceress risen from the dead.

Between his bullying father and dissolute brother, Percival Endicott Whyborne has quite enough problematic family members to deal with. So when his sister returns to Widdershins asking for help solving the mystery of a derelict ship, Whyborne is reluctant to get involved. Until, that is, a brutal murderer strikes, leaving Whyborne and his lover Griffin no choice but to take the case. The investigation leads them deep into a conspiracy of blackmail, murder, and darkest sorcery.

Repressed scholar Percival Endicott Whyborne has two skills: reading dead languages and hiding in his office at the Ladysmith Museum. After the tragic death of the friend he secretly loved, he's ruthlessly suppressed any desire for another man. So when handsome ex-Pinkerton Griffin Flaherty approaches him to translate a mysterious book, Whyborne wants to finish the job and get rid of the detective as quickly as possible. Griffin left the Pinkertons following the death of his partner, hoping to start a new life. But the powerful cult that murdered Glenn has taken root in Widdershins, and only the spells in the book can stop them.

Detective Bill Quigley fell in love with the familiar Isaac the night they met. But after more than two years, it’s time to admit to himself that Isaac doesn’t return his feelings. Isaac knows he’s too broken by his experiences for anyone to fall in love with. Especially someone like Bill, who deserves a partner unplagued by Isaac’s nightmares and doubts. When children go missing from an orphanage, Bill and Isaac must work together to find them. And as years of yearning threaten to ignite into passion, they must decide once and for all whether to take a chance on love.

After losing the family fortune to a fraudulent psychic, inventor Henry Strauss is determined to bring the otherworld under control through the application of science. All he needs is a genuine haunting to prove his Electro-Séance will work. A letter from wealthy industrialist Dominic Gladfield seems the answer to his prayers. Gladfield’s proposition: a contest pitting science against spiritualism, with a hefty prize for the winner. The contest takes Henry to Reyhome Castle, the site of a series of brutal murders decades earlier.

The only human student at Mather's School of Magick, Phineas Smith has a target on his back. Born with the rare ability to tap into unlimited magick, he finds both Faerie Courts want his allegiance - and will do anything to get it. They don't realize he can't levitate a feather, much less defend the Faerie Realm as it slips into civil war. Unseelie Prince Roark Lyne, Phineas's roommate - and self-proclaimed arch-nemesis - is beautiful and brave and a pain in the ass.

Griffin Flaherty wants nothing more than to create a perfect Valentine's Day for his lover, Dr. Percival Endicott Whyborne. Dinner at a fancy restaurant, an evening at the theater, and a romantic interlude at home should do the trick. But a new client with an urgent case puts Griffin's plans in jeopardy. A magic talisman has been stolen, and if it isn't returned by sundown, disaster will befall not only on the thief but the innocents around him. Can Whyborne and Griffin track down and return the amulet by nightfall, or will dinner reservations become the least of their worries?