A non-fiction -ten years in the making- essay about the origins and developments of the religious thought of humankind, exploring what renowned experts, scholars, and writers on the field want us to know about their personal understanding of the old and complex relationships gradually drawn up between people of different cultures and their beliefs in gods and visions of the afterlife. A rich and awesome scenario were we come across countless, colorful and passionate divine characters, both ancient and current. The pages of this book are like a long journey on the tracks of our ever evolving species, following the rhetorical persons of Adam and Eve. From cavemen rituals to imperial religions. From soul-searching guidance of prophets to holy wars led by faithful fanatics.