Tom Clancy Under Fire (A Jack Ryan Jr. Novel)

Jack Ryan, Jr., stands alone against powerful enemies in this latest novel in
Tom Clancy's New York Times bestselling series.
 
UNDER FIRE
 
On a mission in Tehran, Jack Ryan, Jr., meets his oldest friend, Seth Gregory. As they part, Seth slips Jack a key, along with a perplexing message. The next day Jack is summoned to an apartment where two men claim Seth has disappeared with funds for a vital intelligence operation. They say he’s turned and leave Jack with a warning:  If you hear from Seth, call us. Do not get involved.
 
Jack soon finds himself lost in a maze of intrigue, lies, and betrayal where no one is who they seem to be—not even Seth, who’s harboring a secret that harkens back to the Cold War. A secret that is driving him to the brink of treason...