Cal Leandros Books in Order

Half-human Cal Leandros and his brother Niko hide in New York among creatures most residents never notice. After years of flight, Cal's monstrous father finds them again, forcing the brothers to confront why his otherworldly relatives want him.

Cal and Niko's supernatural detective work takes them undercover for the werewolf Mafia at a nonhuman gambling club. What appears to be a straightforward investigation of internal rivalry becomes a trap aimed at the brothers themselves.

Business slows at Cal and Niko Leandros's supernatural detective agency until an ancient, malevolent entity arrives in New York. Its escalating attacks on humans give the brothers a dangerous new case that their unusual skills may barely contain.

A vampire hires Cal and Niko to identify whoever has been following him, then turns up dead. The return of Cal's monstrous Auphe relatives adds a personal threat as they seek revenge by attacking everything he loves.

Cal and Niko accept a job from a woman who previously betrayed them, searching for a stolen coffin containing a catastrophic plague. Following its thief out of New York sends the brothers on a dangerous road journey.

Cal Leandros awakens on a beach surrounded by the remains of slaughtered monsters with no memory of his identity. Unable to understand his own half-human nature or what happened, he becomes especially vulnerable to enemies who prefer him helpless.

Niko's unreliable father arrives seeking help as a dangerous Puck gathering threatens the brothers' friend Robin. Cal tries to protect both men from their relatives, only to face a new reminder of his own disturbing history.

Cal and Niko once escaped a human serial killer whose mentor was the legendary Spring-heeled Jack. When that older supernatural predator arrives in New York seeking payment for the past, the brothers must confront a threat they thought behind them.

Cal's monstrous heritage grows stronger, changing his body and mind while his savage double Grimm encourages the transformation. A secret supernatural organization decides he must die, leaving Cal and Niko to consider powers that could save or destroy them.

This supernatural story collection brings together previously published tales and an original Cal Leandros adventure. Its varied creatures and enemies include a young, half-monster Cal confronting a human threat in Chicago, with family bonds running through the danger.

The Vigil decides Cal Leandros has endangered supernatural secrecy and sends an assassin into the past to kill his younger self. After an attack devastates his present, Cal must protect his loved ones while confronting threats across time.