While the bulk of the book focuses on weighing the reasons why humanity should and should not gradually go extinct, May ended on a final section that included several calls to action asking the reader if we're willing to try to justify our species' continued existence on Earth. I really liked this book. It was interesting to see ideas I've thought about or have heard others share or have discussed with others put into the philosophical framework.

If you enjoy philosophy, thinking about humanity's place on our planet, the effects of climate change, and all those very lighthearted topics (please know this is sarcasm), then you'd enjoy this book.