Years ago, bookseller and mystery aficionado Malcolm Kershaw compiled a list of the genre’s most unsolvable murders, those that are almost impossible to crack - which he titled "Eight Perfect Murders". But no one is more surprised than Mal, now the owner of the Old Devils Bookstore in Boston, when an FBI agent comes knocking on his door one snowy day in February. She’s looking for information about a series of unsolved murders that look eerily similar to the killings on Mal’s old list. And the FBI agent isn’t the only one interested in this bookseller.

A teacup, a diary, and a body at the foot of the stairs.... When Ruth Townsend’s job and marriage both end abruptly, she heads home to the mountains for a fresh start. Nine months later, she has a new hobby, good friends, and a potential new romance - but only two dozen subscribers to the weekly newspaper she’s intent on reviving. What she needs is a good mystery...but nothing ever happens in sleepy little Thistlewood. Then Edith Morton is found dead at the bottom of her staircase.

When a deadly bomb goes off during a climate change debate, librarian and event coordinator Jackie Santoro becomes the prime suspect. Her motive, according to Detective Avery Wick: to avenge the suicide of her prominent father, who was accused of crimes by a city councilman attending the event. Though Avery has doubts about Jackie’s guilt, he can’t exonerate her even after an extremist group takes responsibility for the bombing and continues to attack San Antonio’s treasured public spaces.

Fleeing some unsavory doings in her hometown of Charlotte, Jenna accepts her uncle's gracious invitation to stay with him in small-town Hokes Folly, North Carolina. In exchange, she'll help him out in his antiquarian bookstore. But soon after she arrives, Jenna finds her uncle's body crumpled at the base of the staircase between his apartment and the bookstore. Before the tragedy even sinks in, Jenna learns that she's inherited almost everything her uncle owned...which adds up to more than a million dollars.

Sea Isle was supposed to be the fresh start Dr. Emilia McRoy dreamed of. Far from the busy emergency room across the Atlantic in Seattle, she hoped to settle down and begin this new chapter as a small-town doctor to the quirky residents who immediately welcomed her. When she stumbles across a dead body, she starts to think that she may not be as Scot free of the drama and intrigue as she initially thought.

Math Professor Sophie Knowles shares her teaching venue with many other math and science faculty, most of whom she gets along with. But one in particular gives Sophie and her teaching assistant, Rachel, a hard time, thus annoying both women. When this colleague, a professor of chemistry, is found dead, poisoned in his office, Rachel is the prime suspect. It’s up to Sophie to put her talent for designing and solving puzzles to use to find his killer.

After her messy divorce, Angelina Bonaparte refuses to let any man hold her back. She’s even opened a private eye practice to help other victims of relationships gone sour. So when she crosses paths with a detective who believes a crime scene is no place for a woman, she sets out to change his mind.

After suffering a personal tragedy Abby Sullivan buys a huge old seaside mansion she has never even seen, packs up her life in San Francisco, and moves to Holiday Bay Maine, where she is adopted, quite against her will, by a huge Maine Coon Cat named Rufus, a drifter with her own tragic past named Georgia, and a giant dog with an inferiority complex named Ramos. What Abby thought she needed was alone time to heal. What she ended up with was, an inn she never knew she wanted, a cat she couldn't seem to convince to leave, and a new family she'd never be able to live without.

It's the end of the summer and prodigal daughter Maggie Crozat has returned home to her family's plantation-turned-bed-and-breakfast in Louisiana. The Crozats have an inn full of guests for the local food festival. But when the elderly couple keels over dead within minutes of each other - one from very unnatural causes - Maggie and her family suddenly become suspects in a murder.

A wealthy widow has asked Sarah Winston to sell her massive collection of mysteries through her garage-sale business. While sorting through piles of books stashed in the woman's attic, Sarah is amazed to discover a case of lost Hemingway stories, stolen from a train in Paris back in 1922. How did they end up in Belle Winthrop Granville's attic in Ellington, Massachusetts, almost 100 years later? Before Sarah can get any answers, Belle is assaulted, the case is stolen, a maid is killed, and Sarah herself is dodging bullets.

Calamity (Callie) Barnstable isn't surprised to learn she's the sole beneficiary of her late father's estate, though she is shocked to discover she has inherited a house in the town of Marketville - a house she didn't know existed. However, there are conditions attached to Callie's inheritance: she must move to Marketville, live in the house, and solve her mother's murder. Callie's not keen on dredging up a 30-year-old mystery.

No one in Bradley, North Carolina, is exactly crying into their sweet tea over the murder of Parke Stockard. Certainly not retired schoolteacher Myrtle Clover. Upon discovering the corpse, Myrtle is struck - not with grief, but a brilliant idea! Solving the murder would prove to everyone - especially her son Red, the police chief - that this 80-something-year-old is still as sharp as a tack. Heck, going from crosswords to crime investigations isn't such a stretch.

Claire Barclay finds a home in England after 25 years of travelling. She has money, a tour guide business, and ambitions. She is shocked by the murder in her quiet village, but is not going to give up on the haven she has finally found. With the help of her sister, the barracuda barrister, her new dog, new friends, and the unexpected stimulus of a new man in her life, she deals with suspicion, confusion, and threats.

There isn't much crime in Lilyvale, Arkansas, but local authorities have their hands full with Ms. Sherry Mae Stanton Cutler and her housemates - a crafty group of retirees who've dubbed themselves the Silver Six. But when Sherry Mae's niece, Nixy, arrives to keep them in line, Lilyvale also plays host to a killer.

Josie Way loved working among the Library of Congress' leather-scented stacks - until she uncovered corruption and made herself a target. As Wilfred, Oregon's new librarian, Josie can stay undercover until the case goes to court. But life in this little town isn't as subdued as she expected. The library, housed in a Victorian mansion, is slated to be bulldozed. Still digesting the news that her safe haven is about to become scrap lumber, Josie discovers a body in the woods....