When Aliens are mentioned people look around for the crazy guy who mentioned the "A" word. That subject gives people discomfort and a sense of skepticism. Daniken presents, in laymans terms his theory of Paleo-Seti. There is enough evidence to state that there is some validity in the book. From almost every culture have gods that decend from the sky and give Knowledge to the masses. There are buildings all over the world that couldn't have been built by such a primitive cultures Giza for one or almost every Maya Building ever created. Scientist hold on to there Dogma of how the world should be of course because we know everything about the past. We know that MAN is the greatest thing ever to exist. MAN is master of his domain nohing out anywhere is better than MAN. But to open minded people who can't find very much wrong with his book fall upon ridicule from the very people who should be interested in finding facts...Scientists. I know this book is hard to swallow what it says to me is we aren't alone, and we never where. Dogma is hard to overcome by any means No matter what you clucth when your faith is tested a cross or an beaker, There is more in heaven and Earth than we will ever know.