The Guardian

The Ultimatum by Karen Robards

The Ultimatum

The Guardian #1

Karen Robards

368 pages • 2017

fiction mystery thriller mysterious fast-paced
The Moscow Deception: An International Spy Thriller by Karen Robards

The Moscow Deception: An International Spy Thriller

The Guardian #2

Karen Robards

352 pages • hardcover • 2018

fiction mystery thriller dark mysterious tense fast-paced
The Fifth Doctrine by Karen Robards

The Fifth Doctrine

The Guardian #3

Karen Robards

384 pages • 2019

fiction romance thriller tense fast-paced