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.

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

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....

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....

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....

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....

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.

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....

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....

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 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 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....

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

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 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....

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....

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....

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.

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....