Full Force and Effect (stylized as Tom Clancy Full Force and Effect, Tom Clancy: Full Force and Effect, or Tom Clancy’s Full Force and Effect in the United Kingdom) is a political thriller, written by Mark Greaney and published on December 2, 2014. It is the fifteenth overall entry in the Jack Ryan series and the first such entry to be published after original author Tom Clancy’s death during the previous year, as well as Greaney’s second solo contribution to the franchise.