Unsolved Aviation Mysteries: Five Strange Tales of Air and Sea

The Big Book of Unexplained Mysteries: 38 Mind-Boggling and Unsolved Mysteries Through History

Three Famous Mysteries

Unexplained Book 3: 16 Baffling Unsolved Mysteries

Unexplained Book 4: 16 Baffling Unsolved Mysteries

Cursed Tombs and Lost Treasure : Investigating History's Mysteries

100+ Unexplained Mysteries for Curious Minds: Unraveling the World's Greatest Enigmas, from Lost Civilizations to Cryptic Creatures, Alien Encounters, Time Travel Mysteries, and More

Mystery mit Miss History: Die großen Rätsel der Weltgeschichte | Von Melina Hoischen, Social-Media-Star misshistory und Geschichts- & Kunstexpertin des TV-Formats "Das ist also Kunst" bei ZDF Kultur

Aliens and UFOs : Investigating History's Mysteries

Unexplained Book 8: 16 Baffling Unsolved Mysteries

Secrets of the Past Revealed

The Known Unknowns: The Unsolved Mysteries of the Cosmos

Ancient Mysteries

The Mystery of the Last Olympian

Unsolved Murders: UK True Crime

Earth's Strangest Places : Investigating History's Mysteries

Ultimate Questions & Answers: History and Culture

100 Things They Don't Want You To Know: Conspiracies, mysteries and unsolved crimes

The World of Mysteries : Secrets of the Unknown

Conspiracy: The greatest cover-ups and unsolved mysteries,Ian Sh

21 World Famous Unsolved Murder Mysteries (Real Accounts of Crime, Horror and Mysteries)

Unsolved Mysteries: Unexplained Events and Paranormal Phenomena from Around the World

Unexplained, Unsolved, Unsealed Mysteries of the World: Strange Disappearances, Paranormal Activities, Cold Murder Cases, Abnormal Occurrences