Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Life (or Death) Changing

I would have never imagined that reading this book would cause me to seriously question beliefs which I had accepted throughout my life. The First Immortal is an outstanding read, a book which you refuse to put down. I have never before questioned when the end will come. I had accepted death as the final chapter to life. However, First Immortal offers the opportunity for you to skip ahead. Discussing the implications of cryotransport and nanotechnology, the book argues for a future without natural death. It does this without "stupid" science, suggesting realistic future possibilities offering endless life. James Halperin is a talented visionary and I am glad that I was lucky enough to find this book. I dream about his view of the future, a world where life is truly precious.