"Sigler is in full control of his talent for sharp characterization and amazing visualization." -- Charlaine Harris, Author of the Sookie Stackhouse novels upon which the HBO series TRUE BLOOD is based. 

"Red meat for readers who wish Harry Potter had swapped his YA credentials for a badge and gun." -- Kirkus Reviews 

"A terrifying science thriller that reads like SILENCE OF THE LAMBS as written by Michael Crichton. Inventive and deeply disturbing." -- Jonathan Maberry, NY Times bestselling author of ASSASSIN’S CODE


NOCTURNAL is simultaneously a horror/thriller, a high-action comic book of a novel, and a throwback to classic 80s buddy-cop movies. If you're a child of the 80s, you'll love this one. 

From the book jacket:
Homicide detective Bryan Clauser is losing his mind. How else to explain the dreams he keeps having—dreams that mirror, with impossible accuracy, the gruesome serial murders taking place all over San Francisco? How else to explain the feelings these dreams provoke in him—not disgust, not horror, but excitement.

As Bryan and his longtime partner, Lawrence “Pookie” Chang, investigate the murders, they learn that things are even stranger than they at first seem. For the victims are all enemies of a seemingly ordinary young boy—a boy who is gripped by the same dreams that haunt Bryan.  Meanwhile, a shadowy vigilante, seemingly armed with superhuman powers, is out there killing the killers.  And Bryan and Pookie’s superiors—from the mayor on down—seem strangely eager to keep the detectives from discovering the truth.

Doubting his own sanity and stripped of his badge, Bryan begins to suspect that he’s stumbled into the crosshairs of a shadow war that has gripped his city for more than a century—a war waged by a race of killers living in San Francisco’s unknown, underground ruins, emerging at night to feed on those who will not be missed.

And as Bryan learns the truth about his own intimate connections to the killings, he discovers that those who matter most to him are in mortal danger…and that he may be the only man gifted—or cursed—with the power to do battle with the nocturnals.

Featuring a dazzlingly plotted mystery and a terrifying descent into a nightmarish underworld—along with some of the most incredible action scenes ever put to paper, and an explosive, gut-wrenching conclusion you won’t soon forget — Nocturnal is the most spectacular outing to date from one of the genre’s brightest stars. 

REVIEWS: 
"NOCTURNAL will make the end-of-year favorite lists for mysteries, thrillers, science fiction, horror, and yes, just plain old fiction, period. If you are a fan of genre fiction, you have to read NOCTURNAL." Joe Hartlaub, BookReporter.com

"For fans of realistically presented horror fiction, this is a must-read.” Booklist

"A hugely enjoyable read by an author who continues to grow." Brittish Fantasy Society 

"Some of the most beautiful carnage we've seen in ages." io9.com 

"Sigler delivers again in this fiercely creepy page-turner." San Jose Mercury News

"Do yourself a favor and read Nocturnal, unless you’re excessively squeamish and hate “no-no” words. Then don’t." Nerdist.com 

"From the depth of the characters Sigler builds, to the detailed world he creates under the surface of San Francisco (literally in some cases) this book is gripping, terrifying and heartwrenching all at once." Skepchick.org

"If you're a fan of police procedurals from Michael Connolly, Elmore Leonard or Joseph Wambaugh and you miss the bio-tech science fiction of the late, great Michael Crichton, you'll find "Nocturnal" a treat." Huntington News  

"This is one of the most original pieces of genre fiction I have read in a long time. Sigler is like Stephen King with a huge dose of testosterone and adrenaline." Crimespree Magazine 

"If you're searching for mind-twisting, nightmare-inducing escapism that takes you to the brink of doom, look no further than Scott Sigler." Jeremy Robinson, author of SECONDWORLD