The author wrote this book in order to share his knowledge of monotheistic religions that have influenced our civilisation, our history and our social life, and to help understand them. This religion of the unique God, come from the Middle-East, adapted itself according to its geographical, cultural and political function... Whether you are religious or not, this book is an invitation to make you thing about the different religions: Jewish, Christian, Muslim, which share a UNIQUE GOD. What the life of a believer is like: What happens from birth to death, to the funeral and after death, whatever the religion? Why and how? Why believe in a unique God and what religion can we turn to? Can religions make a contribution to the world, to others, to oneself? What sort of relation exists between the different religions? Why are monotheistic religions divided? Can a connection be established between them? This book will enable you to find answers to your questions.