Denise Cleever Thrillers Books in Order

The Denise Cleever books are where Claire McNab leans hardest into thriller territory. Denise works for the Australian Security Intelligence Organisation, and from Murder Undercover onward her job is not to arrive after the damage is done. She has to go inside the danger, build a false identity people will believe, and stay alive long enough to bring something useful back out.

That makes these novels feel tighter and more pressurized than a straight detective series. Denise is sent into an island resort off Queensland, a powerful right-wing institute, the remote Kimberley, Beverly Hills circles tied to a global terrorist, an exclusive psychiatric clinic, and other places where appearances are carefully managed. In nearly every book, the surface story is a trap.

Denise spends a lot of time alone.

That is part of what gives the series its edge. Carol Ashton has a squad room, a partner, and official investigations. Denise often has a cover story, a deadline, and very little backup. If she makes a mistake, there may be no safe way to call for help. McNab uses that isolation well. Even flirtation or attraction can become part of the risk, because Denise is constantly measuring what is real and what is performance.

The threats also scale up differently here. These books are not just about one corpse and one culprit. They move through terrorism, ideological networks, covert violence, psychological manipulation, and public panic. In Recognition Factor, Denise is one of the few people who can identify a notorious mastermind. In Death by Death and Murder at Random, the fear spreads outward into the wider public, which gives the later books an especially uneasy feel.

The settings matter, too. Tropical resorts, the red center of Australia, harsh desert country, and Los Angeles all change the mood of the mission. McNab keeps the writing lean, so the suspense comes less from gadgetry and more from pressure, timing, and the simple question of whether Denise can think her way out before her cover breaks.

Denise is sharp, adaptable, and a little irreverent, which helps keep the series readable even when the plots get dark. If you want Claire McNab at her most high-stakes, this is the place to start. Read from Murder Undercover onward and you can watch Denise grow more seasoned, and more wary, with every assignment.