Percival Constantine

• Mar-2007
• / Science Fiction
• 

After the creation of the Earth and the birth of Man, the Presence seemingly vanished from existence. Once the angels and demons discovered that mortals possessed souls, they became locked in an endless conflict for ownership over mankind. But Gabrie...

• Aug-2008
• / Horror
• 

Brenda McKenzie is a single mother working double-shifts as a waitress and struggling to make ends meet. But Brenda's life gets turned upside down when her teenage daughter, Alyssa, runs away with Ryan Cunningham, her heroin-dealing boyfriend. With t...

• Jan-2011
• / Espionage
• 

To uncover the truth, a former spy must become a wanted assassin! But can she escape the past? 

A shadowy, globe-spanning network of operatives run by the mysterious power broker known as Dante. They hold allegiance to no one, existing as rog...

• May-2011
• / Action Adventure
• 

Can one lone woman uncover the secrets of Lemuria before a ruthless assassin and a sinister secret society? 
All the legends of the world have some element of truth to them. And to track down those legends, there are the myth hunters. Some, like ...

• Jun-2011
• / Action Adventure
• 

Can one lone woman uncover the secrets of Lemuria before a ruthless assassin and a sinister secret society? 
All the legends of the world have some element of truth to them. And to track down those legends, there are the myth hunters. Some, like ...

• Dec-2011
• / Action Adventure
• 

Infernum. A shadowy, globe-spanning network of operatives run by the mysterious power broker known only as Dante. They hold allegiance to no one, existing as rogues on the fringes of society. Carl Flint was once an assassin, until a mistake on the jo...

• May-2012
• / Action Adventure
• 

Elisa Hill is all that stands between a vengeance-crazed demigod and the fate of a continent!

All the legends of the world have some element of truth to them. And to track down those legends, there are the myth hunters. Some, like Elisa Hill, ...

• Dec-2013
• / Epic Fantasy
• 

Zarim and the crew of the airship Excalibur were simple pirates, performing any job so long as the price was right. Until the day they were tasked with retrieving the mysterious Soulstones -- legendary artifacts rumored to be the source of all life o...

• Sep-2014
• / Action Adventure
• 

Pro Se Productions goes to Hell and back with the debut of its newest Single Shot Signature Series. Author Percival Constantine introduces readers to the enigmatic, inexplicable Luther Cross.

Luther Cross has been through Hell -- literally. Born ...

• Jan-2015
• / Action Adventure
• 

Author Percival Constantine returns with another tale of Luther Cross -- the only man clever enough to con Hell itself. In the second installment of Constantine's Pro Se Single Shot Signature Series, Cross finds himself embroiled in a missing persons...

• Jun-2015
• / Action Adventure
• 

Elisa Hill lives two lives -- a university instructor and a globe-trotting adventurer. When her former partner, Lucas Davalos, emerges from hiding, Elisa takes it upon herself to track him down, but the stakes are high when she discovers that Lucas w...

• Jun-2015
• / Fantasy
• 

Classic Superheroes for a Modern World! Superhuman threats require a superhuman response. Enter Vanguard, a government-sanctioned team of superheroes designed to deal with rogue elements possessing incredible abilities! This team of powerful beings w...

• Jul-2015
• / Thriller
• 

When a recent job puts professional thief Dalton Moore on the radar of the deadly Infernum organization, he’s offered a way out by the mysterious power broker, Dante. If Dalton steals a biological weapon from an arms dealer, he can go free. But Dal...

• Aug-2015
• / Action Adventure
• 

Author Percival Constantine returns with another tale of Luther Cross -- the only man clever enough to con Hell itself. In the third installment of Constantine's Pro Se Single Shot Signature Series, Cross has to draw the line between passion and hung...

• Aug-2015
• / Science Fiction
• 

When super powers emerge, humanity has only one defense! Superpowers have emerged all over the world, but can these specials be controlled? Colonel Leonard Thorne thinks so, and he's putting together an elite team with the abilities to match any...

• Aug-2015
• / Science Fiction
• 

The stunning conclusion to the first season! The world has changed. A mysterious event altered the genetic structure of humanity, granting a small percentage of the population superhuman powers. The government has secretly formed a superhero team to...

• Nov-2015
• / Action Adventure
• 

A Nazi death cult seeks the ultimate ancient weapon! The Spear of Destiny, believed to have pierced the body of Christ, is said to be an artifact of incredible power that will render the user unstoppable. And now the Thule Society, an occult order fr...

• Nov-2015
• / Science Fiction
• 

Fearing potential repercussions from the international community, the new President ordered Vanguard disbanded following the defeat of the Red Fist. In their place is a new organization: Cerberus, a global peace-keeping agency designed to monitor the...

• Jan-2016
• / Thriller
• 

Angela Lockhart swore to never work with Infernum again. But when the search for her husband's killer hits a dead end, she's left with no choice except to once again perform a job in exchange for the information she needs. Her mission: rescue a disgr...

• Feb-2016
• / Science Fiction
• 

A team fractured!Fearing potential repercussions from the international community, the new President ordered Vanguard disbanded following the defeat of the Red Fist. In their place is a new organization: Cerberus, a global peace-keeping agency design...

• Jun-2016
• / Fantasy
• 

The power of the gods in the hands of man! Mjolnir. Hammer of Thor, the Norse God of Thunder. One of the most formidable weapons in all existence, capable of granting unimaginable power to whomever wields it. And now, it’s fallen to Earth, just wit...

• Jun-2016
• / Science Fiction
• 

The invasion is coming!Vanguard is back in action! And this time, they have more autonomy than ever before, plus the support of the new and improved Cerberus. Unfortunately, things are not going too well for the rest of the specials. The reemergence ...

• Jun-2016
• / Science Fiction
• 

Vanguard is back in action! And this time, they have more autonomy than ever before, plus the support of the new and improved Cerberus. Unfortunately, things are not going too well for the rest of the specials. The reemergence of an old enemy sparks ...

• Jul-2016
• / Thriller
• 

Infernum. A shadowy, globe-spanning network of operatives run by the mysterious power broker known as Dante. They hold allegiance to no one, existing as rogues on the fringes of society. No matter the job, Infernum has an operative to execute it -- p...

• Sep-2016
• / Science Fiction
• 

The war is over, the heroes failed!Twenty years have passed since the alien invasion of Earth began and humanity has lost. The invaders have set up a new government run by their human co-conspirators, and the superhuman population is now imprisoned, ...

• Sep-2016
• / Science Fiction
• 

Twenty years have passed since the alien invasion of Earth began and humanity has lost. The invaders have set up a new government run by their human conspirators, and the superhuman population is now imprisoned, used as labor or for the aliens’ inh...

• Oct-2016
• / Fantasy
• 

When what appears to be the skeleton of an ancient being is discovered, it triggers a chain of events that could very well lead to the end of the world. Now, Elisa Hill is the only one who can prevent the rise of an ancient evil, but is this too big ...

• Nov-2016
• / Science Fiction
• 

The alien invasion has begun, and Vanguard is all but decimated from threats both external and internal. Enter Talon -- a special who has traveled twenty years from the future in order to avert the alien subjugation of the entire planet!

But when...

• Dec-2016
• / Private Investigator
• 

SOMETIMES SUICIDE IS JUST A FACADE

When a disgraced former pop star plummets to her death from her Osaka apartment, all signs paint a picture of a troubled young woman who took her own life. But once her parents hire Kyoko Nakamura to learn the t...

• Dec-2016
• / Science Fiction
• 

The end is nigh!The alien invasion has begun, and Vanguard is all but decimated from threats both external and internal. Enter Talon—a special who has traveled twenty years from the future in order to avert the alien subjugation of the entire p...

• Jan-2017
• / General Fiction
• 

Author Percival Constantine returns with another tale of Luther Cross -- the only man clever enough to con Hell itself. In the fourth installment of Constantine's Pro Se Single Shot Signature Series, Cross has to cross the line between urban legend a...

• Feb-2017
• / Private Investigator
• 

TAKE A STROLL WITH DEATH

Sex sells in Osaka's Shinsekai neighborhood, and anything can be had for a price. When a teenage runaway turns up dead, an outreach worker has little faith in the police and instead hires private investigator Kyoko N...

• Jun-2017
• / Urban Fantasy
• 

Half-human. Half-demon. All attitude.

Luther Cross here. Dangerously handsome, effortlessly stylish half-demon, at your service. As I have inherited certain...abilities with my odd genetics, I’ve put them to use as Chicago’s foremost par...

• Sep-2017
• / Urban Fantasy
• 

Dive into the abyss!

I'm Luther Cross, but you already knew that. Hard to forget a dangerously handsome, effortlessly stylish half-demon like myself. I earn my living using my knowledge of the occult and demonic heritage as Chicago's foremos...

• Feb-2018
• / Dark Fantasy
• 

Everyone's got a dark side.

• Sep-2019
• / General Fiction
• 

End of the line...or end of the world?My name's Luther Cross, and by now you know my story. Half-human, half-demon, and Chicago's sexiest paranormal investigator. Now I can add recently returned from the dead to my long list of accomplishments.Except...

• Feb-2020
• / Dark Fantasy
• 

The Devil is real and he's on EarthEverything you know about the Devil is a lie.Lucifer did not rebel from Heaven out of hatred, pride, or envy. Instead, he learned the greatest lie in all of creation-there is no higher power, and not even the angels...

• Jun-2020
• / Dystopian
• 

When hope is lost, a new hero will rise In the far future, Japan has become a technological paradise. With a more cosmopolitan population and human integration with technology, it seems like a world people once dreamed of. But that society has b...

• Apr-2021
• / Dark Fantasy
• 

Return to Hell!After his previous adventure, Lucifer's powers are completely exhausted. At first, the Morningstar sought to restore his abilities, but then he realized that he'd finally found the freedom he'd sought for eons. Yet the forces aligned a...

• Jul-2022
• / General Fiction
• 

THE DEVIL...TRIUMPHANT?For centuries, Lucifer has been haunted by his mistakes and plagued by the question of what if? Now, he has an opportunity to try again. A rare spell is within reach, and it will give him the ability to rewrite history.But firs...

• May-2023
• / Dark Fantasy
• 

Cursed with immortality for fratricide, Cain now yearns for solitude. But when a clandestine society entreats him to aid, his reclusive life is shattered. What he uncovers is a chilling plot devised by a fanatical cult hell-bent on eradicating all th...