The revelation that we are not alone in the universe, that other intelligent beings may be observing us, or even interacting with us, would fundamentally alter our perception of reality. It would challenge our deepest held beliefs about our place in the cosmos, our understanding of history, and the very nature of our existence.
ThriftBooks sells millions of used books at the lowest
everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We
deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15.
ThriftBooks.com. Read more. Spend less.