The First Contact Files

The First Contact Files is a thriller collection where alien invasion, first contact, and government conspiracies collide. Across six standalone sci-fi thrillers, S.F. Clarke delivers alien abductions, hidden UFOs, and mind control experiments in stories that feel terrifyingly real.

Inside you will discover:

  • UFO signals that rewrite human minds
  • A soldier caught in a secret alien war
  • Scientists unearthing a buried spacecraft
  • An astronaut who may no longer be human

Each story blends alien horror with conspiracy thriller pacing, perfect for fans of The X-Files, Black Mirror, and War of the Worlds.

Read the complete alien invasion collection today and uncover the terrifying truth about first contact.

The Transmitter’s Secret

An Oregon Deputy Discovers His Town Transformed and He's the Only One Who Sees It
Book #1 from the series: The First Contact Files

A local cop is the sole hope against an extraterrestrial plot to enslave humanity.

When John Morgan has a mind-boggling encounter with a UFO, he finds himself doubted by those he holds dear. As he grapples with disbelief, he becomes increasingly aware that an insidious extraterrestrial force is manipulating the unsuspecting residents of Ashbury -...

Presumed Human

A Pregnant Fugitive Races to Discover Why a Corporation Claims Her Baby
Book #2 from the series: The First Contact Files

When Tara Williams learns her unborn child has alien origins, her fight for survival begins.

For years, Tara’s nights were haunted by strange visitors from outer space. Now, pregnant and on the run from a shadowy organization known as Xenoforge, her world has unraveled in ways she never imagined.

With nowhere else to turn, Tara is driven into the...

Operation Gray

A Classified Combat Mission Returns to Haunt the Only Survivors
Book #3 from the series: The First Contact Files

A covert mission, an alien encounter, and a betrayal that changes everything.

In the war-torn sands of Iraq, 2003, Sergeant Jerome Foster is thrust into a clandestine mission to recover an alien lifeform from the Iraqi army. What starts as a routine operation spirals into chaos as Jerome and his team face an extraterrestrial threat beyond their...

The Subterranean Secret

A Short Thriller of Hidden Alien Secrets, Government Cover-Ups, and a Race Against Time
Book #4 from the series: The First Contact Files

A buried UFO. A dangerous secret. One scientist’s race against time to uncover the truth.

Dr. Sarah Reeves, a skeptic who’s built her career debunking alien encounters, is forced to confront the impossible when a strange craft descends over Starlight Lake. What should have been a routine night of skywatching turns into a life-altering encounter,...

Lockdown Protocol

A Short Thriller of Alien Contact, Government Secrets, and a Town Under Siege
Book #5 from the series: The First Contact Files

An Alien Crash. A Town in Lockdown. One Man’s Choice……

When an unidentified object crashes near a small American town, the entire area is immediately placed under government lockdown. Local mechanic Danny Murray stumbles upon the crash site, where he discovers not only the wreckage of an alien spacecraft but also an injured extraterrestrial...

The Astronaut Returns

A Short Thriller of Cosmic Mystery, Earthbound Secrets, and a Man Changed by the Stars
Book #6 from the series: The First Contact Files

Twenty years ago, Commander Elias Kessler vanished in space. Now, he’s back.

When NASA astronaut Elias Kessler disappeared during a routine satellite repair in 1997, the world declared him dead. But when he inexplicably reappears in the Nevada desert, physically unchanged, with no memory of the last two decades, he becomes a hunted man. The...