For centuries the Cinder Spires have safeguarded humanity, rising far above the deadly surface world. Within their halls, aristocratic houses rule, developing scientific marvels and building fleets of airships for defense and trade. Now, the Spires hover on the brink of open war. The guns of the great airship fleets that control the skies between the last bastions of humanity will soon speak in anger, and Spire Albion stands alone against the overwhelming...

"Most people avoid the dreaded Whitechapel district. For Honoria Todd, it's the last safe haven. But at what price? Blade is known as the master of the rookeries, no one dares cross him. It's been said he faced down the Echelon's army single-handedly, that ever since being infected by the blood-craving he's been quicker, stronger, and almost immortal. When Honoria shows up at his door, his tenuous control comes close to snapping. She's so...innocent....

In her alternate England of 1851, fifteen-year-old Sophronia's first year at Mademoiselle Geraldine's Finishing Academy for Young Ladies of Quality has certainly been rousing! For one thing, finishing school is training her to be a spy. Now, as she sneaks around the dirigible school, eavesdropping on the teachers' quarters and making clandestine climbs to the ship's boiler room, she learns that there may be more to a field trip to London than is apparent...

"Trenton Colman is exceptionally creative with a knack for all things mechanical. But his talents are viewed with suspicion in Cove, a steam-powered city built inside a mountain. In Cove, creativity is a crime and 'invention' is a curse word. Kallista Babbage is a repair technician and daughter of the notorious Leo Babbage, who died in an explosion--an event the leaders of Cove point to as an example of the danger of creativity. Working together,...

In an alternate England of 1851, Sophronia Temminnick is the only hope for her friends, her school, and all of London when she must put her espionage training to the test to thwart an evil Picklemen plot.

"McMaster's characters are beautifully drawn and the tension between them is completely smoking... [a] dark, menacing and strangely beautiful world." - RT Book Reviews

Determined to destroy the Echelon she despises, Rosalind Fairchild is on seemingly easy mission. Get in. Uncover the secrets of her brother's disappearance. And get out.

In order to infiltrate the Nighthawks and find their leader, Blue Blooded Sir Jasper Lynch, Rosalind

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Brothers Winchester, Remington, and Colt know the legends—they were trained from childhood to destroy demon predators, wielding the latest steam-powered gadgetry. It's a devil of a job. But sometimes your fate chooses you. . .
Chasing Trouble
Winn Jackson isn't interested in hunting nightmares across the Wild West—even if it's the family business. Unlike his rakehell brothers, Winn believes in rules. As sheriff of Bodie,...

Fourteen-year-old Sophronia is a great trial to her poor mother. Sophronia is more interested in dismantling clocks and climbing trees than proper manners. Mrs. Temminnick is desperate for her daughter to become a proper lady. So she enrolls Sophronia in Mademoiselle Geraldine's Finishing Academy for Young Ladies of Quality. But Sophronia soon realizes the school is not quite what her mother might have hoped. At Mademoiselle Geraldine's, young ladies...

In the face of impossible odds, can one girl stem the tides of war?

It has been six months since clockwork engineer Petra Wade destroyed an automaton designed for battle, narrowly escaping with her life. But her troubles are far from over.  Her partner on the project, Emmerich Goss, has been sent away to France, and his father, Julian, is still determined that a war machine will be built. Forced to create a new device, Petra subtly

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Brothers Winchester, Remington, and Colt Jackson take up the family tradition of vampire and demon hunting in this steampunk western. Colt battles a vampire, fallen archangel, and a demon lord while looking for his father's Book of legends. He also encounters the succubus Lily, who is willing to make a bargain to become human again.