My book “STRUCTURE OF THE GLOBAL CATASTROPHE Risks of human extinction in the XXI century” is now available through Lulu http://www.lulu.com/product/paperback/structure-of-the-global-catastrophe-risks-of-human-extinction-in-the-xxi-century/11727068 But it also available free on scribd http://www.scribd.com/doc/6250354/STRUCTURE-OF-THE-GLOBAL-CATASTROPHE-Risks-of-human-extinction-in-the-XXI-century- This book is intended to be complete up to date source book on information about existential risks.