Additionally the "biography" of Parsons, "Sex and Rockets: The Occult World of Jack Parsons", is a great read.

https://www.amazon.com/Sex-Rockets-Occult-World-Parsons/dp/0...

There's another book about him, called Sex and Rockets: The Occult World of Jack Parsons. Anyone read both books?

http://www.amazon.com/Sex-Rockets-Occult-World-Parsons/dp/09...