J. F. Penn

Marine archaeologist Dr. Evelyn Price has spent her life uncovering the mysteries of the deep ocean. But when a violent storm uncovers an ancient timber circle off the coast of England, she faces a discovery that will challenge everything she knows.

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.

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.

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.

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.

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 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.

Kadmon wants to open the portal between our world and Hell, to create a twisted, demonic version of our world over which he will reign supreme. Now, Morgan and her partner — Jake Timber, the enigmatic agent who recruited her for ARKANE — are on the run.

Some secrets should stay buried. When renowned architect Arania Webb returns to Bristol Zoo—once her childhood sanctuary but now a derelict ruin—she discovers her late father’s hidden underground lab, which harbors a dark obsession....

When down-on-his-luck busker Evan takes to the streets of Bath during the Christmas market, he hopes his music will earn him enough for a warm meal and bed for the night. But after a violent robbery leaves him broken and destitute, Evan unwittingly awakens an ancient evil....

Cass blows glass for a living. But when she's not cranking out tourist pieces to pay the bills, she creates unique glass art with the dream of winning a prestigious award that might change her life. But Cass has a problem. The heat and intensity of glassblowing have damaged her eyesight....

When a fragment of a deadly map is recovered from a medieval plague pit in London, the Mapwalker team must cross over into the Borderlands, once more....

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....

As natural disasters sweep Earthside, a mutant army rises in the Borderlands, driven by the dark force behind the Shadow Cartographers. Sienna and the Mapwalker team must use the Map of the Impossible to journey through the realm of the dead and face the nightmare at its heart....

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....

Lara is part of a dive team exploring the sunken city of Thonis-Heraklion off the North coast of Egypt. When a storm threatens the site, there's only time for one last dive, and Lara is determined to be on it - even if it means diving with the man who threatened her this summer....

When the mutilated corpse of a wealthy author is discovered, the police officer sent to investigate finds a curious diary amongst the occult objects at the scene. Will he uncover the author's secret at the ruined chapel? Plus two more short stories....

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....

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....

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