There are 4 books in the Matt Drake series. The newest book is Forgotten War which came out in 2023.

1
Without Sanction

Book cover of Without Sanction
After surviving a clandestine operation that went tragically wrong, Matt Drake escaped Syria with his life, but little else. Now, to save the life of another, he must return to Syria and confront his biggest failure in a debut thriller Lee Child calls "sensationally good."

Defense Intelligence Agency operative Matt…
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2
The Outside Man

Book cover of The Outside Man
The fight for freedom has sent Matt Drake to some of the world's most dangerous spots. This time the war is coming to his front door in an electrifying thriller from the New York Times bestselling author of Tom Clancy Target Acquired and Hostile Intent.

Broad daylight on an Austin,…

3
Hostile Intent

Book cover of Hostile Intent
In the espionage community, Vienna is known as the City of Spies, and Matt Drake is about to learn why in the latest electrifying thriller from the New York Times bestselling author of Tom Clancy Target Acquired and The Outside Man.

When a mysterious walk-in to the US embassy in…

4
Forgotten War

Book cover of Forgotten War
"A fascinating, action-packed thriller from one of the genre's most talented authors. Don Bentley delivers a blistering adventure loaded with excitement and fabulous characters. You will not want it to end!"—Brad Thor, New York Times #1 bestselling author of Dead Fall

A brotherhood born in battle is endangered by a…