Sixteen-year-old Kitty Granger has always known that others consider her peculiar. She hates noise and crowds, tends to fixate on patterns, and often feels acutely aware of her surroundings even as she struggles to interpret the behavior of people around her. As a working-class girl in London's East End, she's spent her whole life learning to hide these traits. Until the day when she notices the mysterious man on the bus and finds herself following him, driven to know why he seems so out of place...only to accidentally uncover the location of a Russian spy ring.When Kitty's keen observation and quick thinking help her survive a dangerous encounter, two secret agents working for Her Majesty's government offer her a job in their espionage operation.Kitty's first mission pits her against a conspiracy led by a prominent politician―who's also a secret fascist. With help from an unusual team of fellow spies, Kitty must use her wits, training, and instincts...

For a thousand years, the immortal Shashavani have hidden from the world in the halls of their mountain fortress, amassing great stores of knowledge in a haven of academic tranquility. And while Doctor Varanus has never found tranquility much to her taste, even she cannot deny that the peace and quiet make for a pleasant diversion following the chaos of her recent adventures in London. Having left the horrors of bloodshed and wellness behind her, Varanus has thrown herself headlong into the study of the Shashavani condition, determined to learn the secrets of their undying power.But all is not as it seems in the House of Shashava. As winter snow covers the Shashavani valley and chokes the mountain passes, sinister events are unfolding in the shadows. Whispers of conspiracy echo through the halls. Soon loyalties will be tested and friendships betrayed. Blood will flow. For upon the frozen steppe, an ancient evil stirs and turns its gaze toward the House of Shashava, hungering... For a thousand years, the immortal Shashavani have hidden from the world in the halls of their mountain fortress, amassing great stores of knowledge in a haven of academic tranquility. And while Doctor Varanus has never found tranquility much to her taste, even she cannot deny that the peace and quiet make for a pleasant diversion following the chaos of her recent adventures in London. Having left the horrors of bloodshed and wellness behind her, Varanus has thrown herself headlong into the study of the Shashavani condition, determined to learn the secrets of their undying power. But all is not as it seems in the House of Shashava. As winter snow covers the Shashavani valley and chokes the mountain passes, sinister events are unfolding in the shadows. Whispers of conspiracy echo through the halls. Soon loyalties will be tested and friendships betrayed. Blood will flow. For upon the frozen steppe, an ancient evil stirs and turns its gaze toward the House of Shashava, hungering for power and revenge. As darkness descends, one question remains: Do you serve the Winter King? **

The year is 1888 and a madman is terrorizing the East End of London. But Doctor Varanus Shashavani has far more pressing concerns to worry about than a lunatic in Whitechapel. Her charitable hospital is under siege by gang lords, her English cousins are threatening to steal her inheritance, and her best friend has become obsessed with Gothic novels. To make matters worse, her son Friedrich is associating with an American who talks endlessly of wellness and yoghurt, while her bodyguard is pestering her to return home to Georgia, half a world away. It seems that everyone—friends, enemies, and "Saucy Jack" alike—have conspired to interrupt her work.But Varanus did not obtain immortality just to have mad killers and distant relations get in the way of scientific progress. Though supernatural conspiracies and all-too-human monsters confront her at every turn, Varanus will stand firm against all odds. After all, she is accustomed to fighting for what is rightfully hers.

The year is 1908. Seventeen-year-old Rosalind Wallace’s blissful stay in England with her best friend, Cecily de Vere, has come to an abrupt end, which is fine with Rosalind. She was getting tired of being high society Cecily’s American “pet.” Her industrialist father is unveiling his fabulous new Transatlantic Express, the world’s first underwater railway. As a publicity stunt he has booked her on the maiden voyage—without asking. Rosalind is furious. But lucky for her, Cecily and her handsome older brother, Charles, volunteer to accompany her home. Fun turns to worry when Charles disappears during boarding. Then, deep under the sea, Cecily and her housemaid, Doris, are found stabbed to death in their state room. Rosalind is now trapped on Father’s train—fighting to clear herself of her friend’s murder, to find the killer, and ultimately to uncover the sinister truth behind the railway’s construction.

It is 1899, and Doctor Varanus is in Prague with her mentor Iosef, both still recovering from the scars of the Shashavani civil war. Iosef has found a reprieve from grief in the study of the so-called "Black Goat" cults, aided by a charming Prussian nobleman and a mysterious bookseller. Under other circumstances, Varanus might regard Iosef's fascination with occult philosophies as troublingly superstitious, but she has greater concerns. Her wayward son Friedrich has taken up residence in Prague as well, and in the company of artists, revolutionaries, and other such rabble-rousers.As Varanus endeavors to carry on her research and drag Friedrich back into respectable society, she discovers something sinister may be at work in the Kingdom of Bohemia. Could there be more to Iosef's occult studies than he or his new friends realize?Truth or fantasy, a shadow looms over Prague, threatening to drag Varanus and all she holds dear into the darkness of an unending night . . .

How far would you go to avenge the one you love? Would you go beyond death?Born into the stifling confines of French upper society, Babette Varanus never thought that she would have to answer that question. Surrounded by wealth yet ostracized by her peers, Babette had little interest in love until she met Korbinian, a scandalous German baron with the audacity to regard her as his equal. But when the intrigues of her grandfather's enemies conspire to tear them apart, Varanus will embark upon a journey of vengeance, love, and redemption that will take her beyond the limitations of mortality and reveal to her the dark forces that command humanity from the shadows. Faced with madness, murder, hidden cults, and erudite vampires, does she have the strength to withstand the storm that rises against her?