The 37th parallel : the secret truth behind America's UFO highway
Mezrich, Ben, 1969- author.
New York : Atria Books, 2016.

Alien Conspiracies: The Hidden Truth

[United States] : High Fliers Films, 2023.

Alien contact : NASA exposed

[United States] : Gravitas Ventures, 2013.

Alien investigation : searching for the truth about UFOs and aliens
Halls, Kelly Milner, 1957-
[United States] : Lerner Publishing Group, 2017.

Alien mind control.

[United States] : Gravitas Ventures, 2015.

Aliens on the moon : the truth exposed

[United States] : Kew Media Group, 2014.

Ancient aliens.

[United States] : A+E Networks, 2014.

Ancient aliens.

[United States] : A+E Networks, 2010.

Ancient aliens.

[United States] : History, 2020.

The Andreasson affair : the true story of a close encounter of the fourth kind
Fowler, Raymond E., 1933- author.
[United States] : Tantor Media, Inc., 2021.

The Andreasson affair : the true story of a close encounter of the fourth kind
Fowler, Raymond E., 1933- author.
Pompton Plains, NJ : New Page Books, a division of The Career Press, Inc., [2015]

Area 51
Higgins, Nadia.
[United States] : Bellwether Media, 2014.

Calling all earthlings

[United States] : Freestyle Digital Media, 2018.

Children of the stars

[United States] : Filmhub, 2012.

Close encounters of the fatal kind : suspicious deaths, mysterious murders, and bizarre disappearanc
Redfern, Nicholas, 1964-
[United States] : Tantor Audio, 2017.