What Are the Top 5 Amateur Sleuth Mystery Books?

Discover the top 5 amateur sleuth mystery books of 2025, from cozy mysteries to thrilling detective stories with quirky crime-solving heroes.
What Are the Top 5 Amateur Sleuth Mystery Books?
Source: Penosoph


There’s something thrilling about a regular person stumbling into a mystery and cracking the case. Amateur sleuths—bakers, librarians, or nosy neighbors—bring heart and grit to detective stories, solving crimes without a badge. These mystery books pull you in with clever puzzles, quirky characters, and cozy vibes, making you feel like you could play detective too. In 2025, the amateur sleuth genre is hotter than ever, blending classic whodunits with fresh twists. After diving into reader favorites and critical picks, here are the top five amateur sleuth mystery books that shine for their crime-solving charm and unputdownable plots. Grab a tea, cozy up, and let’s unravel some secrets.


The Thursday Murder Club by Richard Osman

The Thursday Murder Club by Richard Osman

Retirement homes aren’t usually crime hubs, but Richard Osman’s The Thursday Murder Club flips that on its head. Four pensioners—Elizabeth, Ron, Ibrahim, and Joyce—meet weekly to crack cold cases for fun. When a local developer turns up dead, their hobby becomes real, and these sharp seniors dive into a web of shady deals and secrets. Osman’s wit and warmth make this cozy mystery a standout, balancing humor with heartfelt moments. The group’s banter feels like a chat with old friends, and their sleuthing—fueled by tea and stubbornness—is both clever and relatable.


Why’s it top-tier? Readers on Reddit in 2024 called it a “gentle crime” gem, praising its mix of cozy vibes and twisty plots. It’s not just a detective story; it’s a love letter to friendship and second chances. With over 600,000 Goodreads ratings averaging 3.88, it’s a crowd-pleaser that launched a hit series. For crime-solving with soul, this one’s tough to beat—perfect for anyone craving a smart, funny mystery in 2025.


The Sweetness at the Bottom of the Pie by Alan Bradley

The Sweetness at the Bottom of the Pie by Alan Bradley

Meet Flavia de Luce, an 11-year-old chemist with a knack for poison and puzzles. In Alan Bradley’s The Sweetness at the Bottom of the Pie, set in 1950s England, Flavia finds a dead bird with a rare stamp on her doorstep—then a body in the garden. Her curiosity kicks into overdrive, and she pedals through the countryside to unravel a murder tied to her family’s past. Flavia’s brainy charm and fearless snooping make this mystery book sparkle with cozy yet dark vibes.


This debut novel won hearts for its bold young sleuth. Fans on Goodreads, with 174,000 ratings at 3.82, adore Flavia’s wit—she’s a pint-sized Sherlock with a lab. A 2023 Modern Mrs. Darcy post hailed her as a fan favorite, noting the series’ addictive pull. It’s a detective story that feels fresh, blending vintage settings with a modern edge. For readers who love crime-solving with a quirky twist, Flavia’s adventure is a must-read that holds up in 2025.


The Maid by Nita Prose

The Maid by Nita Prose

Molly Gray isn’t your typical hero. In The Maid by Nita Prose, she’s a hotel maid with a neurodivergent perspective, obsessed with order and cleanliness. When she finds a guest dead in a suite, Molly becomes a suspect—and an unlikely sleuth. Her knack for noticing details others miss turns her into a crime-solving force, untangling a web of greed and betrayal. The story’s cozy mystery heart, paired with Molly’s unique voice, makes it both touching and gripping.


Why’s it a hit? With 637,000 Goodreads ratings averaging 3.76, readers love Molly’s sincerity and sharp eye. A 2021 Novel Suspects piece praised its fresh take on amateur sleuths, noting Molly’s outsider edge. It’s not just a whodunit; it’s a story about being seen. In 2025, as diversity in detective stories grows, The Maid stands out for its warmth and clever plot twists, perfect for fans craving emotional depth with their mysteries.


A Good Girl’s Guide to Murder by Holly Jackson

A Good Girl’s Guide to Murder by Holly Jackson

Teenagers aren’t often detectives, but Pippa Fitz-Amobi breaks the mold in Holly Jackson’s A Good Girl’s Guide to Murder. For a school project, Pip digs into a closed case—a local girl’s murder pinned on her boyfriend, who died soon after. Convinced the truth’s been buried, Pip interviews suspects, uncovers secrets, and risks danger to prove it. This young adult mystery book blends cozy stakes with thriller vibes, making every clue feel urgent.


Pip’s dogged crime-solving won over 1.4 million Goodreads readers, scoring a 4.30 rating. A 2022 Reddit thread raved about its fast pace and clever twists, calling it a standout for amateur sleuth fans. It’s a detective story that feels raw and real, tackling justice and small-town lies. In 2025, with its Netflix adaptation buzzing, this book’s a top pick for readers who love sharp, youthful takes on mysteries that don’t talk down to them.


Vera Wong’s Unsolicited Advice for Murderers by Jesse Q. Sutanto

Vera Wong’s Unsolicited Advice for Murderers by Jesse Q. Sutanto

Vera Wong, a nosy tea-shop owner, finds a dead man in her store and decides it’s her time to shine. In Jesse Q. Sutanto’s Vera Wong’s Unsolicited Advice for Murderers, she plays detective, roping in suspects with homemade dumplings and blunt advice. Her meddling uncovers a tangle of motives, all while she mothers everyone into confessing. This cozy mystery pops with humor and heart, blending crime-solving with family vibes.


With 129,000 Goodreads ratings at 4.03, Vera’s charm is undeniable. A 2023 Book Riot piece called her a top cozy sleuth, praising the book’s quirky warmth. It’s a detective story that feels like a hug—funny, fast, and full of surprises. In 2025, as readers crave light yet smart mysteries, Vera’s tale delivers, especially for those who love amateur sleuths with big personalities and bigger hearts.


These five mystery books—The Thursday Murder Club, The Sweetness at the Bottom of the Pie, The Maid, A Good Girl’s Guide to Murder, and Vera Wong’s Unsolicited Advice for Murderers—show why amateur sleuths rule the genre. From seniors to teens, maids to tea-shop bosses, they dive into crime-solving with guts and quirks. Each offers a unique lens on detective stories, blending cozy mysteries with sharp twists that keep you guessing. In 2025, they’re must-reads for anyone who loves a good whodunit. So, which sleuth will you follow first? Your next page-turner’s waiting.

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