Letty Davenport Books in Order

The Letty Davenport novels give Lucas Davenport’s adopted daughter her own spotlight. When the series begins Letty is in her mid-twenties, a Stanford-educated economist who has already seen more violence than most career agents, and is stuck behind a desk working for a U.S. senator.

In The Investigator she finally gets field work: a joint assignment with the Department of Homeland Security to figure out who is siphoning crude oil from Texas pipelines and where the money is going. The trail leads to a radical militia group, and Letty finds that her cool head, shooting skills, and familiarity with Lucas’s world are exactly what the job requires.

Dark Angel moves her into even more sensitive territory. Recruited by the NSA and Homeland Security, Letty and an NSA partner go undercover as freelance coders to infiltrate a hacker collective known as Ordinary People. On the surface the group is targeting critical infrastructure, but the deeper Letty digs, the more it looks like someone inside the intelligence community may be using them as a weapon.

From there the books tie more tightly into the main Prey series. In Toxic Prey she takes point on tracking a brilliant but unstable scientist who may have built a world-ending virus, pulling Lucas into an international chase that feels closer to espionage than a standard murder investigation. Letty’s mix of policy training, field experience, and willingness to push authority makes her a bridge between Washington, high tech, and the rougher kind of law enforcement her father knows so well.

Across the series Letty is still figuring out who she wants to be. She juggles complicated ties to her parents, an on-again-off-again romantic life, and the question of how far she is willing to go in the name of national security. The tone is familiar to Prey readers—sharp dialogue, tight pacing—but the focus shifts toward cybercrime, politics, and the blurred line between government work and outright spying.