Author of Invitation to the Life Span is Kathleen Stassen Berger, a great book to read and learn consisting of 600 pages. The book covers all the things of biology, cognition and society. You can enjoy reading this book, design and overall formatting is of high quality I will say. There is one more thing that is this book has gotten good positive reviews on many shopping websites. If you want to learn about life and you want to live a happy life, you must read this book for better result in your life I will say. Most importantly, if you want to know more about biological, and social aspect of your life then you must read this.