David Casarett is a palliative care physician, researcher, entrepreneur and writer. His most recent book is The Undiscovered Country: A Doctor's Travel Guide to the End of Life.

"Turning the pages of Undiscovered Country is an adventure akin to traveling through a foreign land with an experienced, confident guide. We are at turns surprised, unnerved, fascinated, and awed. The journey leaves us feeling richer and more alive." --Dr. Ira Byock