This book is about man's curiosity towards the stars and how this curiosity has spurred our scientific research. He explains, in very understandable terms, human history and its history in the Galaxy with an unbreidled enthousiasm that is really pulls in the reader. Mister Sagan takes us on an epic voyage through all of space and time, where he teaches us about our solar system and its creation, about the evolution of mankind and its future, and he explores the most strange and fascinating places in the universe, and how we as a species have unravelled these mysteries, and how we keep unravelling the myriads of mysteries that lay before us.