If you've seen Finlay Donovan all over your BookTok FYP and wondered where to start, or if you finished the latest book and need to figure out what's next, you're in the right place.
Elle Cosimano's Finlay Donovan series is one of those rare things: a mystery series that is genuinely funny, has real stakes, and a friendship at its center that earns every moment of loyalty it asks you to feel. Finlay is a recently divorced single mom of two, a struggling crime novelist, and through a sequence of escalating misunderstandings that are entirely her own fault, an accidental hitwoman. Her nanny Vero is the best friend we all deserve and absolutely do not. Together they are a disaster and a delight.
The series is ongoing. Finlay Donovan Crosses the Line, Book 6 is part of the March 17, 2026 Releases. The series is contracted through at least Book 7. So: now is an excellent time to start!
Here is everything you need to read it in order.
The Finlay Donovan Series Reading Order at a Glance
Read these in publication order. The series is continuous, each book picks up close to where the last one ended, and plot threads carry across the full run. Starting anywhere other than Book 1 will spoil you for prior events.
Book 1: Finlay Donovan Is Killing It (2021)
Book 2: Finlay Donovan Knocks 'Em Dead (2022)
Book 3: Finlay Donovan Jumps the Gun (2023)
Novella: Veronica Ruiz Breaks the Bank (2023) optional but recommended
Book 4: Finlay Donovan Rolls the Dice (2024)
Book 5: Finlay Donovan Digs Her Own Grave (2025)
Book 6: Finlay Donovan Crosses the Line (March 17, 2026)
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The Finlay Donovan Books in Order A Full Guide
Book 1: Finlay Donovan Is Killing It
Published: February 2, 2021 (hardcover)
Finlay Donovan is recently divorced, chronically behind on her manuscript, and the mother of two small children whose needs are constant and whose timing is terrible. When she meets her literary agent at a Panera to discuss the murder-for-hire plot of her new thriller, the woman at the next table overhears just enough to conclude that Finlay is a contract killer and hires her to dispose of a problem husband.
The premise is one of those perfectly calibrated comic setups: a woman who writes about crime keeps accidentally becoming part of one. But what makes the series more than its premise is Finlay herself. Exhausted, stubborn, genuinely trying to keep her life from falling apart and Vero, her nanny and partner in everything that follows, who is funnier and more competent than anyone gives her credit for.
Book 1 also sets up the two love interests (Nick, the detective; Julian, the crime writer), the Russian mob entanglement, and the custody situation with ex-husband Steven that will complicate Finlay's life for the next five books. Start here. There is no other option.
Accolades: People Magazine Pick · One of New York Public Library's Best Books of 2021 · One of Suspense Magazine's Best Thrillers of 2021
Book 2: Finlay Donovan Knocks 'Em Dead
Published: February 2022
In which Finlay's ex-husband Steven now has someone trying to kill him. And somehow, of course, this becomes Finlay and Vero's problem to solve.
Book 2 deepens everything that worked in Book 1: the Finlay/Vero dynamic has more room to breathe, the mystery is more tightly plotted, and the romantic tension with Nick is developing. This is the book that converted many people from "this is fun" to "I need all of them immediately."
Accolades: A USA Today Bestseller. One of Goodreads' Most Anticipated Mysteries of 2022.
Book 3: Finlay Donovan Jumps the Gun
Published: 2023 (instant NYT bestseller)
The mob debt from Book 2 comes due. Mob boss Feliks who is still running his operation from behind bars has a task for Finlay: identify a contract killer before the police do. The complication: the killer might be a cop. The cover: Nick has started a citizen's police academy, which gives Finlay and Vero the perfect reason to be near detectives, forensic evidence, and firearms training without it looking suspicious. It looks extremely suspicious.
This is the book where the series became an instant New York Times bestseller, and it's easy to understand why. Cosimano is at full throttle here, and the police academy setting gives her a playground the earlier books didn't have. Note that Books 1, 2, and 3 form a fairly continuous arc with the Russian mob storyline threading through all three. If you power through all three back-to-back, that structure rewards you.
Novella: Veronica Ruiz Breaks the Bank
Published: November 7, 2023
Is it required reading? No. Is it a very good time? Yes.
A short story told from Vero's perspective, set before the events of Book 1. After being falsely accused of stealing money from her college sorority, the same accusation that resurfaces six books later in Crosses the Line, Vero leaves school, lands at her cousin Ramón's apartment, and takes a janitorial job at a bank where she promptly begins investigating an internal theft because of course she does. Javi also appears, which readers of the main series will appreciate.
The novella gives you Vero's origin, her first meeting with Finlay, and the full context for the sorority money storyline that drives Book 6. If you're reading the series for the first time, read it between Books 3 and 4. If you're a returning reader heading into Crosses the Line, it's worth a reread before you start.
Book 4: Finlay Donovan Rolls the Dice
Published: March 5, 2024
Finlay and Vero need a girls' weekend. What they get instead is Atlantic City, a cover story for a deal with a dangerous loan shark to save Vero's childhood crush Javi, a stolen car that needs finding, and, naturally, Finlay's ex-husband Steven and her mother deciding to come along for reasons that are entirely unhelpful.
Book 4 is a pivot: after three books set largely in Finlay's suburban Virginia life with the Russian mob as a through-line, this one takes the series on the road and gives the Finlay/Vero dynamic a new pressure to work against. It's lighter than the first three in some ways. The Atlantic City chaos is hilarious but we also learn a lot Vero's history that pays off significantly in Book 6. A USA Today Bestseller and a 2024 LibraryReads Pick (Hall of Fame).
Book 5: Finlay Donovan Digs Her Own Grave
Published: March 4, 2025
A body is found in the backyard of Mrs. Haggerty, Finlay's elderly neighbor, neighborhood watch president, and the community busybody who has been a low-level antagonist in Finlay's life since Book 1. When the police clear Mrs. Haggerty as a suspect but leave her home an active crime scene, she has nowhere to go except Finlay's house, directly across the street. Finlay and Vero are not enthusiastic about this arrangement.
The murder investigation widens to touch Finlay's ex-husband Steven, which means Finlay and Vero can't stay out of it. This installment leans back toward the suburban Virginia setting of the first three books after Book 4's road trip, and the Mrs. Haggerty dynamic adds a new comic register to the series. It ends on a note that feeds directly into Book 6.
Book 6: Finlay Donovan Crosses the Line
Published: March 17, 2026
The sorority money that's been hanging over Vero since the novella and since Book 6's predecessor set up its return now lands. Vero has been extradited from Virginia to Maryland, where she's facing criminal charges for a theft she insists she didn't commit. She's under house arrest with an ankle monitor, living with her overbearing mother and nosy aunt, and receiving threatening messages demanding she turn over money she doesn't have.
Finlay goes to Maryland. Of course she does. Vero has stood by her through every catastrophe in this series, and Finlay will be damned if she lets her best friend be convicted for something she didn't do. Especially when Finlay suspects she knows exactly who did it. Early reviews describe this as the warmest entry in the series on the Finlay/Vero friendship front, with the same sharp pacing, humor, and escalating chaos readers have come to expect.
Note for new readers: Book 6 is a very satisfying entry point for the question "should I start this series?" but do not start here. Start at Book 1, read the novella before Book 4, and arrive at this one having earned it.
Want to see what else is out this week? Check out the full March 17, 2026 new release roundup.
Do You Need to Read the Finlay Donovan Books in Order?
Yes, and the answer is unusually firm for a mystery series. Most cozy mystery series are loosely sequential. You can pick up anywhere, enjoy the entry, and fill in backstory later. The Finlay Donovan series is not structured that way. Books 1, 2, and 3 form a continuous arc with cliffhanger endings. Books 4 and 5 build on the consequences of that arc. Book 6 draws directly on the novella's backstory for its central plot. Jumping in at any point other than Book 1 will actively spoil you for events in prior books.
The bad news (or good news, depending on your weekend plans) is that Books 1, 2, and 3 back-to-back function essentially as a single extended story, and you will want all three in hand before you start.
Where to Read the Finlay Donovan Novella
Veronica Ruiz Breaks the Bank is a digital-only short story. It's available as a Kindle ebook, on Kindle Unlimited, and in some ebook editions of the series. It's not available in print as a standalone.
When to read it: after Book 3, before Book 4. The novella is set before the events of Book 1. It's Vero's origin story so it contains no spoilers for the first three books. But its events and details are most rewarding after you know Vero well from the main series, and the sorority money setup it establishes becomes critical context for Book 6. Reading it late is better than not reading it.
Should You Read the Finlay Donovan Audiobooks?
If you have any interest in audio, the answer is a firm yes. Narrator Angela Dawe has been with the series since Book 1, and by now her performance is inseparable from the reading experience for a lot of fans. Dawe gives Finlay a voice that captures the exhausted, wry, perpetually overwhelmed quality of her inner monologue perfectly and her work with Vero's voice is excellent.
The audiobooks are consistently cited in reviews as elevating what's already funny prose into something that makes people laugh out loud in their cars, which is the highest possible praise for this genre.
The full series is available on Audible and through Libro.fm if you want to support indie bookstores with your audio listening.
What's Next: Is There a Book 7?
Yes. The series is contracted through at least Book 7. Elle Cosimano releases one new Finlay Donovan book per year, typically in March. If the pattern holds, Book 7 should arrive in early 2027. No title has been announced as of this writing.
If you're between Finlay Donovan books and want another sharp, propulsive mystery, try 6:40 to Montreal.
About Elle Cosimano
Elle Cosimano is a New York Times and USA Today bestselling author, an International Thriller Writers Award winner, and an Edgar Award nominee. She lives in Virginia with her husband and two sons. Before the Finlay Donovan series, she wrote acclaimed YA thrillers including Nearly Gone and Holding Smoke. The Finlay Donovan series is her adult fiction debut and her first work to reach the bestseller lists which it did with Book 3 and has not left since!
Frequently Asked Questions About the Finlay Donovan Series
What order should I read the Finlay Donovan series in?
Read the Finlay Donovan series in publication order: Book 1 (Is Killing It), Book 2 (Knocks 'Em Dead), Book 3 (Jumps the Gun), then the novella Veronica Ruiz Breaks the Bank, then Book 4 (Rolls the Dice), Book 5 (Digs Her Own Grave), and Book 6 (Crosses the Line). The series is continuous. Each book picks up where the last ended so reading out of order will spoil prior books.
How many Finlay Donovan books are there?
As of March 2026, there are six main novels and one digital novella. The series is ongoing and contracted through at least Book 7. Elle Cosimano releases one new book per year, typically in March.
Do I need to read the Finlay Donovan novella?
Veronica Ruiz Breaks the Bank is technically optional but strongly recommended especially if you plan to read Book 6. It tells the story of how Vero was falsely accused of stealing from her college sorority, which becomes the central plot of Finlay Donovan Crosses the Line. Read it between Books 3 and 4 for the best experience.
Is the Finlay Donovan series complete?
No. The series is ongoing. Book 6, Finlay Donovan Crosses the Line, published March 17, 2026, and the series is contracted through at least Book 7. No end date for the series has been announced.
What genre is the Finlay Donovan series?
The Finlay Donovan series is most often described as comic mystery or humorous thriller, with elements of cozy mystery, thriller, and romance. It follows a single mom and crime novelist who gets entangled in real criminal investigations. It's frequently compared to Janet Evanovich's Stephanie Plum series in tone. Fast-paced, funny, and character-driven, but with a sharper edge and more sustained plot threads across the series.
When does Finlay Donovan Crosses the Line come out?
Finlay Donovan Crosses the Line, Book 6 of the series, published on March 17, 2026 from Minotaur Books (ISBN: 9781250337597). It is available now in hardcover, ebook, and audiobook formats.
Are the Finlay Donovan audiobooks good?
Yes, and many fans consider the audiobook the definitive format for this series. Narrator Angela Dawe has voiced every book from the beginning. Her performance is widely praised for capturing Finlay's exhausted, wry inner monologue and for giving each character a distinct, memorable voice. The audiobooks are available on Audible and Libro.fm.
If you're starting the series this week Crosses the Line dropped March 17, which means you have a clean runway to read all six back-to-back and arrive at the new one fully caught up. That's the move. Best of luck keeping Finlay out of trouble. She will not make it easy.
Fair warning: once you start this series, your weekend is gone. Speaking of which, here are more books that will wreck your weekend.
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