Oath of Office (novel)

Oath of Office (stylized as Tom Clancy Oath of Office, Tom Clancy: Oath of Office, or Tom Clancy's Oath of Office in the United Kingdom) is a techno-thriller novel, written by Marc Cameron and published on November 27, 2018. It is his second book in the Jack Ryan series, which is part of the Ryanverse featuring characters created by Tom Clancy.

In the novel, President Ryan and The Campus deal with a sinister plot behind a series of protests in Iran, dubbed the Persian Spring. The book debuted at number eight on the New York Times bestseller list.