Short but meaty examination of crop circle phenomena by Jacques Vallee.
http://www.brainsturbator.com/pdf/cropcircles_vallee.pdf
David Brin on Altruism in ET Civilizations -- a meditation on wether or not they'd play nice.
http://www.brainsturbator.com/pdf/Brin-Alt...ivilization.pdf
Very thought-provoking look at UFO phenomena in art history -- surprising stuff.
http://www.brainsturbator.com/pdf/historic...o_paintings.pdf
A look at why SETI is using prime numbers to communicate with ET civilizations -- based off Frank Drake.
http://www.brainsturbator.com/pdf/PrimeNum...mmunication.pdf
VERY interesting MUFON collection of public opinion surveys on UFOs over the years -- possibly the most important document in this collection.
http://www.brainsturbator.com/pdf/PublicOp...veysAndUFOs.pdf
The first essay in years by Jacques Vallee -- definitely the most interesting document in this collection, highly recommended.
http://www.brainsturbator.com/pdf/Vallee-P...Strangeness.pdf