The Unexplained Files · Book 1.00
UFOs & Ancient Aliens
From Roswell and the modern UAP era to ancient civilizations and ancient-astronaut claims, explore the evidence behind one of humanity’s most persistent mysteries.
€7.99
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CURATED COLLECTION · 30 EBOOKS
The Unexplained Files — Complete 30-Book Collection
All thirty numbered volumes in the complete flagship series.
Own the complete 30-volume The Unexplained Files collection in one purchase. From UAPs, ancient civilizations and archaeology to consciousness, Antarctica, time, precognition and the nature of reality, every numbered volume is included as PDF + EPUB.
€119.00
€239.70 Save €120.70 · 50% off individual prices
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Books in this collection
The Unexplained Files · Book 2.00
Lost Civilizations Before Recorded History
Travel beyond the conventional beginning of civilization to vanished landscapes, Ice Age settlements and archaeological discoveries that transformed our picture of prehistory.
€7.99
The Unexplained Files · Book 3.00
Ancient Mysteries Science Cannot Explain
Investigate ancient monuments, strange artifacts and unanswered archaeological questions—from the Great Pyramid and Stonehenge to Antikythera and the Nazca Lines.
€7.99
The Unexplained Files · Book 4.00
The World's Greatest Unsolved Mysteries
A gripping tour of disappearances, crimes and enduring enigmas—from Amelia Earhart and MH370 to D.B. Cooper, Roanoke, Zodiac and beyond.
€7.99
The Unexplained Files · Book 5.00
Declassified UFO Files
Go inside the government record of the UFO phenomenon—from Kenneth Arnold and Roswell to Project Blue Book, CIA files, secret aircraft and the modern UAP era.
€7.99
The Unexplained Files · Book 6.00
Mysterious Structures of the Ancient World
Discover the engineering, purpose and enduring puzzles behind humanity’s most extraordinary ancient monuments, temples, stoneworks and sacred landscapes.
€7.99
The Unexplained Files · Book 7.00
The Greatest UFO Encounters in History
Revisit the UFO cases that shaped the phenomenon—from Kenneth Arnold and Washington 1952 to Socorro, Shag Harbour and the modern UAP era.
€7.99
The Unexplained Files · Book 8.00
The Secret History of Area 51
Separate the documented history of Groom Lake from the legend: U-2 spy planes, A-12 black projects, Cold War secrecy and the UFO mythology of Area 51.
€7.99
The Unexplained Files · Book 9.00
Mysteries of Ancient Egypt
Explore pyramids, pharaohs, temples, engineering, lost traditions and the archaeological discoveries still reshaping what we know about ancient Egypt.
€7.99
The Unexplained Files · Book 10.00
Atlantis: Legend, Evidence and the Search for a Lost World
Follow Atlantis from Plato’s original account through archaeology, catastrophe theories and the modern search for the world’s most famous lost civilization.
€7.99
The Unexplained Files · Book 11.00
The Nazca Lines and Other Ancient Enigmas
From Nazca’s giant desert figures to geoglyphs and monumental landscapes around the world, investigate why ancient people wrote on the Earth itself.
€7.99
The Unexplained Files · Book 12.00
Ancient Gods, Giants and Forgotten Legends
Trace gods, giants, flood survivors and legendary beings back toward the ancient texts, archaeology and cultural traditions from which the stories emerged.
€7.99
The Unexplained Files · Book 13.00
The Greatest Mysteries of the Moon
Explore the Moon’s real scientific puzzles alongside Apollo controversies, strange images, hidden-structure claims, lunar myths and the new race back to the Moon.
€7.99
The Unexplained Files · Book 14.00
Mars: The Search for Ancient Life
Follow the search for life on Mars from Viking and ancient river valleys to Perseverance, Cheyava Falls, organic chemistry and the newest potential biosignatures.
€7.99
The Unexplained Files · Book 15.00
The World's Most Mysterious Archaeological Discoveries
Thirty discoveries that changed the story of the past, from 476,000-year-old woodworking and lost cities to unreadable scripts, hidden tombs and new archaeology powered by LiDAR, DNA and AI.
€7.99
The Unexplained Files · Book 16.00
Ancient Technology Ahead of Its Time
Discover ancient engineering that still surprises us, from the Antikythera Mechanism and Roman concrete to deep drilling, water systems, advanced materials and disputed 'impossible technology' claims.
€7.99
The Unexplained Files · Book 17.00
The Bermuda Triangle Files
Reopen the Bermuda Triangle's most famous case files, including USS Cyclops, Flight 19 and vanished airliners, and separate the documented losses from decades of legend.
€7.99
The Unexplained Files · Book 18.00
The World's Most Haunted Places
Enter castles, prisons, battlefields, hotels and houses with enduring ghost legends, while separating documented history, eyewitness reports and paranormal interpretation.
€7.99
The Unexplained Files · Book 19.00
Cryptids: Creatures Science Has Yet to Explain
Track Bigfoot, the Yeti, lake monsters, surviving thylacines and other cryptid claims through folklore, eyewitness testimony, DNA, ecology and the evidence required to establish a real species.
€7.99
The Unexplained Files · Book 20.00
Near-Death Experiences: What Happens When We Die?
Examine near-death experiences through survivor accounts, cardiac-arrest research, neuroscience, out-of-body claims and the unresolved question of consciousness at the edge of death.
€7.99
The Unexplained Files · Book 21.00
The Mystery of Human Consciousness
Explore consciousness from the hard problem and leading brain theories to anesthesia, dreams, psychedelics, split-brain research, the self and minds beyond ordinary human awareness.
€7.99
The Unexplained Files · Book 22.00
Secret Underground Worlds
Descend into Derinkuyu, Kaymakli, catacombs, sacred tunnels, wartime networks and legendary inner worlds while separating real underground engineering from stories of hidden civilizations.
€7.99
The Unexplained Files · Book 23.00
Signals from the Unknown
Follow the search for intelligent signals through the Wow! Signal, BLC1, pulsars, fast radio bursts, radio interference and the modern science of technosignatures.
€7.99
The Unexplained Files · Book 24.00
Alien Abductions
Revisit the Hill case, Pascagoula, Travis Walton, missing time, bedroom visitors, hypnosis and the psychology of memory in one of the UFO era's most personal mysteries.
€7.99
The Unexplained Files · Book 25.00
Antarctica: Secrets Beneath the Ice
Go beneath Antarctica's ice with Bedmap3, subglacial mountains and lakes, then test the Piri Reis map, Nazi-base stories, Operation Highjump, Admiral Byrd and modern anomalies.
€7.99
The Unexplained Files · Book 26.00
Sunken Cities: Lost Worlds Beneath the Sea
Dive into Doggerland, Pavlopetri, Thonis-Heracleion, Baiae, Port Royal and disputed underwater sites while learning how archaeology distinguishes a city from natural geology.
€7.99
The Unexplained Files · Book 27.00
Time Slips: Glitches in Reality?
Investigate Versailles, Bold Street, lost hours and alleged encounters with other eras while comparing time-slip stories with relativity, memory, perception and modern digital evidence.
€7.99
The Unexplained Files · Book 28.00
The Simulation Hypothesis: Is Reality What It Seems?
Examine Bostrom's simulation argument, digital physics, information limits, Planck-scale claims, quantum strangeness and the difficult question of how a simulated universe could ever be tested.
€7.99
The Unexplained Files · Book 29.00
Premonitions & Precognition: Can We See the Future?
Test prophetic dreams, historical premonitions and laboratory precognition claims against coincidence, memory, statistics, replication research and the physics of future information.
€7.99
The Unexplained Files · Book 30.00
The Ultimate Mysteries of Humanity
The final numbered file brings thirty investigations together—from UAPs and lost civilizations to consciousness, life beyond Earth, death, time and the nature of reality itself.
€7.99