J. F. Penn

When psychologist and religious expert Dr. Morgan Sierra's sister and niece are kidnapped, she's thrust into a deadly race against time to find twelve ancient stones that could unleash unimaginable power.

In mid-2020, I was not okay—and I didn't know how to find my way out of that darkness. But I could put one foot in front of the other until I figured it out....

Conflict photographer, Sara Miles, loves being embedded with the military out in the desert. Her pictures pay tribute to those who fight, suffer, and die for freedom and the images she captures can turn public perception in the never-ending war....

When archaeologist Dr. Emilia Kaya uncovers a massive sarcophagus containing the remains of a mysterious winged creature, she sets in motion a chain of events that could lead to the resurrection of the Nephilim—the fearsome giants of biblical legend.

A relic, stolen from the heart of an ancient city. An echo of nationalist violence not seen since the dark days of the Second World War. Budapest, Hungary....

When personal tragedy strikes, Jamie has nothing left to lose and she must race against time to stop the mysterious Lyceum claiming another victim....

As earthquakes shake the land and volcanoes erupt on the Pacific Rim of Fire, Ben wrestles with his Maori heritage as he faces the supernatural powers that threaten the land of Aotearoa....

When a fragment of an ancient manuscript is stolen from a Jewish library in Amsterdam, ARKANE agents Morgan Sierra and Jake Timber discover a conspiracy that stretches back to the days of the Portuguese Empire, and a hidden Order of monks who have protected Eden for generations....

When her Grandfather is murdered under mysterious circumstances, Sienna Farren inherits his map shop in the ancient city of Bath, England. She discovers that her family is bound up with the Ministry of Maps, a mysterious agency....

It is the seat of judgment. The pinnacle of holiness. It is the Ark of the Covenant… and it’s the most dangerous weapon in existence. A group of fanatics wearing masks of Egypt’s gods slaughter the curator of Cairo’s most famous museum.

Jamie Brooke is working as a private investigator in the London Borough of Southwark when the body of a priest is found in the ruins of Winchester Palace, his tattooed arms flayed, his mouth stuffed with feathers....

Devastated by grief after the death of her daughter, Detective Sergeant Jamie Brooke returns to investigate the murder of a prominent psychiatrist in the old hospital of Bedlam in London....

When a mysterious relic is stolen from a museum in Vienna, ARKANE agents Morgan Sierra and Jake Timber embark on a deadly race against time to recover the legendary Spear of Destiny — the holy lance that pierced the side of Christ.

A place written out of history. A world off the edge of the map. In this fantasy adventure trilogy, Sienna and the Mapwalker team must defend Earthside from the invasion of the Borderlanders and face their darkest challenge against the Shadow....

Evil stalks the city of London at night. Can Detective Jamie Brooke and reluctant psychic Blake Daniel stop the murders before it's too late....

An agent of Arkane, the British agency tasked with protecting the world from supernatural crises, Morgan knows that giving up the staff could spell the end of all things....

When a man in a hospital gown jumps to his death from the Western Wall in Israel, the authorities think it’s just another victim of Jerusalem Syndrome: a religious psychosis triggered by a visit to the holy city.

A marble tablet found in the ruins of Babylon warns of the resurrection of a banished serpent in the final days....

A street cleaner walks into the middle of Trafalgar Square and blows himself up. No mere act of terrorism. The explosion rips open a crater to reveal the underground headquarters of ARKANE — the ultra-secret British agency tasked with investigating the supernatural.

When a long-hidden tomb and a body covered in voodoo symbols are found in New Orleans, ARKANE agent Jake Timber discovers a mystery that stretches back to the Spanish Empire and the bloody dungeons of the Inquisition....