Deep as the Marrow

The New York Times-bestselling author of The Select "combines medical and political intrigue into one explosive, warp-speed thriller" (Douglas Preston).

To end the war on drugs, the president of the United States decides to legalize narcotics-and tax them heavily. Some think he's crazy. Others want him dead.

The president's personal physician, John Van Duyne, took an oath to do no harm, but after a Colombian drug lord kidnaps his six-year-old daughter, he's forced to do the unthinkable...