UFOs

The book of the damned

Charles Fort

1919

UFOs

Ray Clarington

2015

Eon

Greg Bear

1985

The Flying Saucers Are Real

Donald E. Keyhoe

1950

In the Ocean of Night

Gregory Benford

1977

New Lands

Charles Fort

1923

The Report on Unidentified Flying Objects

Edward J. Ruppelt

1956

Communion

Whitley Strieber

1985