This book is an introduction to those who wish to understand the underlying assumptions of our current world view.
Assumption is a pillar of any knowledge.
It is the educated guess concerning phenomenon we don't know for sure. For example, we currently believe that being human means having a mind which can be represented separately from the body it occurs in. On this assumption, we have developed whole disciplines, such as cognitivism and artificial intelligence. He evokes the question of the immense consequences of what are 'mere beliefs'. More importantly, he reviews the emerging alternatives for the current mainstream of dualist reductionism.