The author of popular military novels like "The Hunt for Red October" and "Patriot Games" is dead at age 66.  Several sources confirm Tom Clancy died last night in a Baltimore hospital near his Maryland home. 

Many of his novels, including "Clear and Present Danger," were adapted into blockbuster films.  His latest book, called "Command Authority," was scheduled to be published on December 3rd.

Ivan Held, the president of Putnam Books, Clancy's publisher, confirmed his death to the New York Times and said Clancy "was a thrill to work with."

No word yet on a cause of death.