The Regan Reilly Series in Order

About the Regan Reilly series

Series Premise

The series follows Regan Reilly, a savvy Los Angeles private investigator who runs her own agency (often called the Moonlight Magnolia Detective Agency in some descriptions). Regan takes on a wide range of cases—murders, disappearances, thefts, and scams—that frequently pull her into glamorous or quirky situations involving high-profile clients, old friends, or family ties.

The core premise revolves around Regan's ability to solve intricate mysteries using intuition, observation, and her wide network of contacts (including police connections and her parents). Cases often arise unexpectedly: a reunion that uncovers a long-buried body, a cruise gone wrong, a celebrity scandal, or a family inheritance dispute. Regan dives into investigations with determination and humor, balancing professional challenges with her personal life—her famous mystery-writer mother Nora, her funeral-director father Luke, and her evolving relationship with Jack Reilly (a New York police commissioner).

The stories feature standalone mysteries but include recurring elements: Regan's sharp wit and resourcefulness, her loyalty to friends and family, and the recurring theme of justice served with cleverness rather than brute force. Later books sometimes tie in holiday settings or collaborations with Alvirah Meehan (her mother's lottery-winning sleuth), adding warmth and continuity. The overarching arc tracks Regan's growth as a PI, her deepening romance with Jack, and the comfort of her supportive family circle amid the chaos of each case.

Main Characters

Regan Reilly — The central protagonist, a smart, confident, and quick-witted private investigator in her thirties. With her red hair, keen instincts, and Southern-tinged charm (despite her California life), Regan is resourceful, loyal, and unafraid to speak her mind. She balances professional sharpness with a warm, down-to-earth personality, making her highly relatable.



Jack Reilly — Regan's love interest and eventual husband; a handsome, capable New York police commissioner. Steady, principled, and deeply caring, he provides support, occasional investigative help, and romantic tension that evolves into a loving partnership.



Nora Regan Reilly — Regan's mother, a successful mystery novelist. Warm, elegant, and insightful, she offers advice, humor, and a close mother-daughter bond.



Luke Reilly — Regan's father, a funeral director. Kind, steady, and quietly supportive, he grounds the family and adds gentle humor.

Setting

The series is primarily set in Los Angeles, California, with Regan Reilly based in the city as a private investigator. LA provides a glamorous yet grounded backdrop—sunny beaches, upscale neighborhoods, Hollywood-adjacent settings, film studios, luxury hotels, and trendy restaurants—that reflects Regan's cases involving celebrities, high society, or eccentric locals.



Investigations often take Regan beyond LA: cruises, reunions in England, holiday getaways, or trips to New York (where Jack Reilly works). The settings feel vivid and varied—bustling city streets, quiet estates, snowy holiday locales, or cruise ships—adding color and contrast to the mysteries. Clark uses LA's mix of glamour and everyday life to create a relatable yet exciting atmosphere, with details like traffic, weather, and cultural landmarks enhancing the sense of place.

Tone & Themes

The tone is light, humorous, and engaging, with a cozy mystery feel that prioritizes clever plotting, witty dialogue, and warmth over dark or graphic content. Clark infuses the books with Regan's sassy, self-assured voice—full of dry humor, quick comebacks, and a touch of sarcasm—making even tense moments feel entertaining.

The mysteries are twisty and satisfying, but the focus remains on character interactions, family bonds, and the fun of the chase rather than grim violence (crimes often occur off-page or are handled lightly). Romantic elements are sweet and supportive, with Regan's relationship with Jack providing gentle tension and affection. The overall vibe is upbeat and comforting—cozy without being overly fluffy, suspenseful without being scary, and empowering through Regan's confidence and independence. It's classic light mystery with heart: fun, fast-paced, and reassuring, perfect for readers who enjoy puzzles wrapped in humor and humanity.

Carol Higgins Clark's Regan Reilly Mystery series delivers delightful, witty cozy mysteries that shine through the irresistible personality of Regan Reilly—a smart, sassy PI who solves crimes with humor, heart, and sharp instincts. With clever plots, warm family dynamics, glamorous LA settings, and satisfying resolutions, the books offer entertaining escapism laced with laughter, light suspense, and genuine affection. The series celebrates friendship, loyalty, and justice served with style—making it a fun, enduring favorite in cozy mystery. It leaves readers charmed by Regan and eager for her next adventure in a world where puzzles are solved and hearts are won.