Kate Hamilton Mystery Books in Order

The Kate Hamilton mysteries are Fiona Quinn's shorter, puzzle-forward stories, a change of pace from her international romantic suspense without leaving the larger Iniquus world behind. They read like mysteries first, with a steady main character who solves problems by thinking, not by kicking down doors.

Kate is a science teacher, and it shows.

Kate Hamilton flees a messy home life and heads back to the small Virginia town where she grew up, hoping to lie low. Instead, she walks straight into a community full of secrets, local politics, and deaths that do not feel accidental. She starts teaching STEM CSI classes at the local high school, which gives her a believable reason to notice details other people ignore.

Mine sets up the core situation, a sleepy town that is not as safe as it looks, and a woman who cannot stop herself from following evidence. Yours deepens the sense of entanglement, where every choice Kate makes feels like it puts a target on her back. Ours brings the danger closer to the people Kate cares about, raising the emotional stakes without turning the series into a full-on thriller.

The tone is cozy-adjacent rather than cozy in the strict sense. These books keep the focus on clues, suspects, and reveals, but they also acknowledge that the world is complicated. Kate has a life outside the case, including a strained marriage to Ryan 'Reaper' Hamilton, which connects her to the higher-stakes side of Quinn's universe.

You can read the novellas quickly, but they reward reading in order. Kate's relationships, the town dynamics, and the sense of what she is running from, and what she is running toward, build book to book.

If you want a smart amateur-sleuth series with a strong sense of place, and a lead who approaches mystery like a problem set, Kate Hamilton is a great starting point.