This book is about mankind and its development.This book is divided into three parts. Part I Homo Sapiens Conquers the World, looks at the relationship between Homo Sapiens and other animals, in an attempt to comprehend what makes our species so special. Part II Homo Sapiens Gives Meaning to the World, it examines the bizarre world Homo Sapiens has created in the last millennia, and the path that took us to our present crossroads. Part III Homo Sapiens Loses Control, it comes back to the early twenty first century. Based on a much deeper understanding of humankind and of the humanist creed, it describes our current predicament and our possible futures.