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.

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....

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....

Pastor David Thornwell has lost his wife, his faith, and any reason to keep preaching.

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....

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

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....

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....

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....

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.

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.

Some things are not meant to be forgotten. An ancient timber circle emerges from a storm-lashed coast. A secret chamber is discovered beneath a Victorian zoo. A long-lost tomb of undead knights is unearthed beneath the streets of Paris. What happens when the buried and the drowned break free?

When ARKANE archivist Martin Klein joins the Vatican digital archiving project, he finds an ancient letter mistakenly scanned along with the medieval papal decree Militia Dei, Soldiers of God. It points to a dark secret the Knights Templar once tried to erase from existence....

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.

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....

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....

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 priceless relic disappears from Canterbury Cathedral, ARKANE - the agency tasked with protecting the world from supernatural adversaries - fears the worst…and sends its best. Now, ARKANE agents Morgan Sierra and Jake Timber are on the job....

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.