"The most powerful books tend to challenge common wisdom and widespread beliefs. Jim Penman does that in this volume."-Dr Steven A. Peterson, Professor of Politics and Public Affairs and Director of the School of Public Affairs, Penn State Harrisburg"A theory which only the unwise will ignore."-Dr Michael T. McGuire, MD, Professor of Psychiatry and Biobehavioral Science, University of California at Los Angeles"If a fraction of the argument presented [...] is borne out, it will shatter mainstream political science and grand history."-Dr Frank Salter, Principal, Social Technologies Pty Ltd; Senior Fellow, International Strategic Studies Association"Biohistory surpasses all existing efforts to explain the major patterns of human history both in originality and scientific potential"-Dr Ricardo Duchesne, Department of Social Science, University of New Brunswick Saint John