Books by William Massa

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Twitter: @Bill_Massa

William Massa is a screenwriter (Return to House on Haunted Hill) and script consultant. He has lived in New York, Florida, Europe and now calls Los Angeles his home.

William writes action/adventure stories with a horror, dark fantasy or science fiction flavor. He is currently hard at work on his upcoming horror-action series OCCULT ASSASSIN and preparing sequels to some of his other novels.

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Gargoyle Knight: An Urban Fantasy
by William Massa
HE BECAME A MONSTER TO SAVE HUMANITY. When his kingdom is threatened by an ancient evil, a Celtic king is forced to make the ultimate sacrifice. If he is to defeat an army of monsters, he must become one himself! The plan works but his victory carries a terrible price… An eternity frozen in stone.Fifteen centuries later, the...
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Categories: Action and Adventure; All Fantasy; All Horror; All Mystery, Crime & Thrillers
Crimson Circle (Shadow Detective Book 8)
by William Massa
Two years ago, my partner and I battled a doomsday cult intent on opening a gateway into Hell. On the bright side, Skulick and I prevented the end of the world. But the cultists opened a rift to the dark dimension, creating a nexus for supernatural activity, and the Cursed City was born.Now the Crimson Circle has returned. They have a...
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Categories: Action and Adventure; All Fantasy; All Horror; All Mystery, Crime & Thrillers
Witch Wars (Shadow Detective Book 7)
by William Massa
Two witches hellbent on destroying each other.An unholy quest for a black magic artifact.A city about to become a magical war zone.  My name is Mike Raven. After demons murdered my parents, Joe Skulick took me in. He became a friend and a father and turned a frightened boy into a monster hunter feared by the Legions of Hell. I owe him...
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Categories: All Horror; All Mystery, Crime & Thrillers
Shadow Detective Supernatural Dark Urban Fantasy Series: Books 1-3 (Shadow Detective Boxset)
by William Massa
My name is Mike Raven, but the world knows me as the Shadow Detective. Orphaned by demons at the age of ten, I have dedicated my life to keeping the world safe from nightmares. Trained by one of the greatest monster hunters who ever lived, and armed with an arsenal of mystical weapons, I battle forces beyond human understanding....
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Categories: Action and Adventure; All Fantasy; All Horror; All Mystery, Crime & Thrillers
Skull Master (Shadow Detective Book 5)
by William Massa
A new nightmare stalks the Cursed City...  My latest case is like nothing I've ever faced before. A supernatural serial killer is targeting people who he thinks represent one of the seven heavenly virtues, magically removing their skulls. The police are baffled, and that's why they called me. What monster is collecting the skulls of...
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Categories: Action and Adventure; All Fantasy; All Horror; All Mystery, Crime & Thrillers
Hell Breaker (Shadow Detective Book 9)
by William Massa
Demons have invaded our world. They walk among us, possessing the bodies of the rich and powerful. The archdemon Morgal escaped our last showdown to lick his wounds, but his soldiers remained behind to await orders. An evil army biding its time, gearing up for the greatest battle mankind has ever faced.There is only way to save humanity....
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Categories: Action and Adventure; All Fantasy; All Horror; All Mystery, Crime & Thrillers
Night Slayer: Midnight War
by William Massa
FROM COP TO DEMON HUNTER. My Name is Jason Night. I’m a SWAT Team Commander and former Marine. I’ve experienced a lot of crazy shit in my life, and I don’t scare easily. At least not until today. After seeing my whole team get wiped out by a succubus and nearly dying myself, I’ve been recruited by a mysterious sorceress to...
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Shadow Detective Supernatural Dark Urban Fantasy Series: Books 7-9 (Shadow Detective Boxset Book 3)
by William Massa
THE FIRST SHADOW DETECTIVE ARC CONCLUDES! My Name is Mike Raven. I hunt monsters. And sometimes they hunt me. *INCLUDES BOOKS 7-9 (Witch Wars, Crimson Circle and Hell Breaker) Experience a series readers are describing as a fast-paced mix of "Supernatural, Constantine and the Dresden Files." WITCH WARSTwo witches hellbent on destroying...
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Categories: All Fantasy; All Horror; All Mystery, Crime & Thrillers
Night Slayer 3: Shadow Plague
by William Massa
A BLACK MAGIC VIRUS THREATENS THE WORLD. Imagine an STD that turns people into monsters. We’re talking freaky nightmare beasts that make your average zombie or vampire look like a joke. As the pandemic spreads, a race to unravel a centuries-old conspiracy begins. Who created the virus? And more importantly, why? The investigation...
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Shadow Detective Supernatural Dark Urban Fantasy Series: Books 4-6 (Shadow Detective Boxset Book 2)
by William Massa
THE SHADOW DETECTIVE SAGA CONTINUES...My Name is Mike Raven. I hunt creatures of the night. Vampires, ghosts, demons--I faced them all. But how do you keep fighting monsters without becoming one?*INCLUDES BOOKS 4-6Experience a series readers are describing as a fast-paced mix of "Supernatural, Constantine and the Dresden Files." DEMON...
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Fear the Light
by William Massa
WHO MURDERED DRACULA? Over the centuries, many had tried to kill the Count. All had failed. Until now... Eight vampires — all the spawn of Dracula — gather at their master's estate to solve the mystery of his murder. But as a new day dawns, a voice cries out and another creature of the night is slain. Trapped...
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Occult Assassin #2: Apocalypse Soldier
by William Massa
Apocalyptic cults. Cursed relics. Paranormal terrorists. Only one man stands against the forces of darkness. After his fiancée is slain by a murderous cult, a professional soldier dedicates himself to a new mission–hunting down twisted occultists around the globe. "The Punisher meets John Constantine in this exciting, hard-hitting...
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Categories: All Horror; All Mystery, Crime & Thrillers
Occult Assassin #1: Damnation Code
by William Massa
Apocalyptic cults. Cursed relics. Paranormal terrorists. Only one man stands against the forces of darkness. After his fiancée is slain by a murderous cult, a professional soldier dedicates himself to a new mission–hunting down twisted occultists around the globe. "The Punisher meets John Constantine in this exciting, hard-hitting...
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Categories: Action and Adventure; All Fantasy; All Horror; All Mystery, Crime & Thrillers; All Religion & Spirituality
Occult Assassin #2.5: Ice Shadows
by William Massa
Apocalyptic cults. Cursed relics. Paranormal terrorists. Only one man stands against the forces of darkness. After his fiancée is slain by a murderous cult, a professional soldier dedicates himself to a new mission–hunting down twisted occultists around the globe. "The Punisher meets John Constantine in this exciting, hard-hitting...
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Categories: Action and Adventure; All Horror
Occult Assassin #3: Spirit Breaker
by William Massa
Apocalyptic cults. Cursed relics. Paranormal terrorists. Only one man stands against the forces of darkness. After his fiancée is slain by a murderous cult, a professional soldier dedicates himself to a new mission–hunting down twisted occultists around the globe. "The Punisher meets John Constantine in this exciting, hard-hitting...
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Occult Assassin: Dark Missions (Books 1-3)
by William Massa
The forces of darkness have a new enemy!Enter the terrifying world of former Special Ops soldier Mark Talon and occult expert/tech billionaire Simon Casca. Two men, united by tragedy, with one goal - to keep the world safe from black magic occult threats. Their chilling missions will take them across the globe and pit them against...
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Categories: Action and Adventure; All Fantasy; All Horror; All Mystery, Crime & Thrillers; All Religion & Spirituality
Gargoyle Quest: An Urban Fantasy (Gargoyle Knight Book 2)
by William Massa
A NEW BEGINNING. A NEW MISSION. A NEW ENEMY.A year has passed since the defeat of the druid-warrior Cael and Artan's return to the world of man. The ancient Celtic king is trying his best to fit in and adapt to the 21st Century but is having a hard time adjusting to the modern age. Once upon a time he knew his place in the world....
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Cursed City (Shadow Detective Book 1)
by William Massa
My name is Mike Raven. I hunt nightmares. Demons murdered my parents when I was eight. Turns out my folks were paranormal investigators and Hell always settles its scores. Naturally I decided to join the family business. For two decades I've studied the occult and traveled the world fighting monsters. Vampires. Shifters. Demons....
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Categories: Action and Adventure; All Fantasy; All Horror; All Mystery, Crime & Thrillers
Soul Catcher (Shadow Detective Book 2)
by William Massa
My name is Mike Raven. I hunt monsters. But today the monsters are hunting me.There are two worlds. The world of the living--and the world of the dead. Sometimes they overlap. And sometimes they collide.The spirit of a diabolical killer has returned from the grave to stalk the woman I love. Guess who's going to pick a fight with a dead...
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Blood Rain (Shadow Detective Book 3)
by William Massa
My name is Mike Raven. I've always hunted monsters. But now one of them is the woman I love.I tried to save Detective Jane Archer’s life. Instead I turned her into a creature of the night.I know she's out there. Hunting. Killing.It’s only a matter of time before our paths cross. Before I must make a terrible decision: Do I put her...
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Demon Dawn (Shadow Detective Book 4)
by William Massa
Over the years, I’ve racked up a pretty interesting resume. Monster Hunter. Demon Slayer. Paranormal Investigator. Now I’m about to add "thief" to the list.The mastermind behind this high-risk heist is Vincent Taske, a billionaire dying of cancer. A man desperate to cheat death no matter what the cost. His plan? Break into the Hagen...
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Ghoul Night (Shadow Detective Book 6)
by William Massa
My name is Mike Raven. I hunt monsters. But now I am a monster.  That's what happens when you make a pact with a demon.  My partner, my ex-girlfriend, and an elite commando unit of Vatican Exorcists want to lock me up in an asylum for the terminally possessed--but they'll have to catch me first. Making matters worse, a new enemy...
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