Author Tom Clancy has died at age 66.
That's according to sources with his publisher and family.
The cause of death wasn't immediately available.
Clancy was known for writing meticulous thrillers focusing on political intrigue and military tactics and technology.
He published 28 books including a new novel yet to be released.
Several were made into Hollywood blockbusters, including "The Hunt for Red October," "Patriot Games" and "The Sum of All Fears."
Seventeen of his novels appeared on the New York Times best-sellers list, many reaching the top spot.
His writing gained him a loyal following within the armed forces in the US and abroad.
That gave him inside access that frequently informed the plots of his books.
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