In many ways, Jamie Metzl has been preparing Hacking Darwin for the last 20 years and his diligence shines through. Jamie is a gifted writer and his explanation of genetics are crisp, accurate, and wonderfully engaging. If you can only read one book on the future of our species, this is it.

- Sanjay Gupta MD - bestselling author, neurosurgeon, Emmy-award winning chief medical correspondent (CNN)