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Stefan Korsak and his genetically altered brother have evaded the Institute for three years. When they learn the new location of the secret lab, they plan to break in and save the remaining children there....

Ten years ago, Stefan Korsak's younger brother was kidnapped. Not a day has passed that Stefan hasn't thought about him. As a rising figure in the Russian mafia, he has finally found him....

The New York Times best-selling author of the Cal Leandros series delivers a bold new supernatural thriller where one man’s extraordinary abilities come with an equally phenomenal cost....

Half-human/half-monster Cal Leandros knows that family is a pain. But now that pain belongs to his half-brother, Niko....

Brothers Cal and Niko Leandros know trouble when they see it - and then proceed to wipe the floor with it. But now it seems their whole world is falling to pieces....

Caliban is a dead man. The Vigil, a group devoted to concealing the paranormal from humanity, has decided Cal has stepped out of the shadows once too often....

When half-human Cal Leandros wakes up on a beach littered with the slaughtered remains if a variety of hideous creatures, he's not that concerned....

Taking on bloodthirsty supernatural monsters is how Caliban and Niko Leandros make a living....

A star-studded urban fantasy anthology starring bestselling authors Rachel Caine, Jennifer Estep, Kevin Hearne, Seanan McGuire, and Rob Thurman, and including Delilah S. Dawson, Kelly Gay, Mark Henry, Hillary Jacques, Jackie Kessler, Kelly Meding, Allison Pang, Nicole D. Peeler, and Jaye Wells...

When Trixa learns of a powerful artifact known as the Light of Life, she knows she’s hit the jackpot. Both sides—angel and demon—would give anything for it. But first she has to find it. And as Heaven and Hell ready for an apocalyptic throwdown, Trixa must decide where her true loyalty...

National bestselling author of Roadkill Bar owner Triva Iktomi knows that inhuman creatures of light and darkness roam Las Vegas-especially since she's a bit more than human herself. She's just been approached with an unusual proposition. Something has slaughtered almost one thousand demons in...

Halfhuman Cal Leandros and his brother Niko are hired by the vampire Seamus to find out who has been following him - until Seamus turns up dead (or unundead)....

Once, while half-human Cal Leandros and his brother Niko were working on a case, an ancient gypsy queen gave them a good old-fashioned backstabbing....

Halfhuman Cal Leandros and his brother, Niko, aren't exactly prospering with their preternatural detective agency....

After saving the world from his fiendish father's side of the family, Cal Leandros and his stalwart half-brother Niko have settled down with new digs and a new gig....

In New York, there's a troll under the Brooklyn Bridge, a boggle in Central Park, and a beautiful vampire in a penthouse on the Upper East Side. Of course, most humans are oblivious to this, but Cal Leandros is only half-human. His father's dark lineage is the stuff of nightmares-and he and his...