Tonight, I have with me A.M. Gittlitz, author of I Want to Believe: Posadism, UFOs and Apocalypse Communism, which is now available to preorder:

https://www.plutobooks.com/9781786806208/i-want-to-believe/ 

Sources and Additional References:

THE SECRET HISTORY OF MARXIST ALIEN HUNTERS

https://theoutline.com/post/5384/the-secret-history-of-marxist-alien-hunters?utm_source=&zd=1&zi=fdpneaqs 

The Bad Light: Hunting for UFOs and J. Posadas in Argentina

https://proteanmag.com/2019/10/17/the-bad-light-hunting-for-ufos-and-j-posadas-in-argentina/

A critical assessment of the former Latin American Bureau tendency within the Fourth International

https://www.marxists.org/archive/posadas/critical.htm

‘Make It So’: ‘Star Trek’ and Its Debt to Revolutionary Socialism

https://www.nytimes.com/2017/07/24/opinion/make-it-so-star-trek-and-its-debt-to-revolutionary-socialism.html

Jacques Vallée

https://en.wikipedia.org/wiki/Jacques_Vall%C3%A9e 

Interdimensional hypothesis

https://en.wikipedia.org/wiki/Interdimensional_hypothesis 

The Book of the Damned by Charles Fort

https://archive.org/details/bookofdamnedbych00fortrich/page/n8/mode/2up