Natalka and Edwin are perfect if improbable partners in a detective agency. At eighty-four, Edwin regularly claims that he’s the oldest detective in England. He is a master at surveillance, deploying his age as a cloak of invisibility. Natalka, Ukrainian-born and more than fifty years his junior, is a math whizz, who takes any cases concerning fraud or deception. Despite a steady stream of minor cases, Natalka is frustrated. She loves a murder, as she’s fond of saying, and none have come the agency’s way. That is until local writer Melody Chambers dies.

When Lydia takes a job running the Senior Citizens’ Social Club three afternoons a week, she assumes she’ll be spending her time drinking tea and playing gentle games of cards. The members of the Social Club, however, are not at all what Lydia was expecting. From Art, a failed actor turned kleptomaniac to Daphne, who has been hiding from her dark past for decades to Ruby, a Banksy-style knitter who gets revenge in yarn, these seniors look deceptively benign—but when age makes you invisible, secrets are so much easier to hide.

Beverly Underwood and her arch enemy, Lula Dean, live in the tiny town of Troy, Georgia, where they were born and raised. Now Beverly is on the school board, and Lula has become a local celebrity by embarking on mission to rid the public libraries of all inappropriate books—none of which she’s actually read. To replace the “pornographic” books she’s challenged at the local public library, Lula starts her own lending library in front of her home: a cute wooden hutch with glass doors and neat rows of the worthy literature that she’s sure the town’s readers need.

It’s 1965 and teenage Frances Adams is at an English country fair with her two best friends. But Frances’s night takes a hairpin turn when a fortune-teller makes a bone-chilling prediction: One day, Frances will be murdered. Frances spends a lifetime trying to solve a crime that hasn’t happened yet, compiling dirt on every person who crosses her path in an effort to prevent her own demise. For decades, no one takes Frances seriously, until nearly sixty years later, when Frances is found murdered, like she always said she would be.

It is spring 1919, and John Sawtelle’s imagination has gotten him into trouble … again. Now John and his newlywed wife, Mary, along with their two best friends and their three dogs, are setting off for Wisconsin’s northwoods, where they hope to make a fresh start—and, with a little luck, discover what it takes to live a life of meaning, purpose and adventure. But the place they are headed for is far stranger and more perilous than they realize, and it will take all their ingenuity, along with a few new friends—human, animal, and otherworldly—to realize their dreams.

Seventy-seven-year-old Dorothy Darling has lived in Shelley House longer than any of the other residents, and if you take their word for it, she’s as cantankerous as they come. But Dorothy has her reasons for spying. And none of them require justifying herself to Kat Bennett. Twenty-five-year-old Kat has never known a place where she felt truly at home, and crumbling Shelley House is no different. Her neighbors find her prickly and unapproachable, but beneath her tough exterior, Kat’s plagued by a guilty secret from her past.

London, 1938: The bookstore just doesn’t feel the same to Gertie Bingham ever since the death of her beloved husband Harry. Bingham Books was a dream they shared together, and without Harry, Gertie wonders if it’s time to take her faithful old lab, Hemingway, and retire to the seaside. But fate has other plans for Gertie. In Germany, Hitler is on the rise, and Jewish families are making the heart-wrenching decision to send their children away from the growing turmoil. After a nudge from her dear friend Charles, Gertie decides to take in one of these refugees.

Judith Potts is 77 years old and blissfully happy. She lives on her own in a faded mansion just outside Marlow, there’s no man in her life to tell her what to do or how much whisky to drink, and to keep herself busy she sets crosswords for The Times newspaper. One evening, while out swimming in the Thames, Judith witnesses a brutal murder. The local police don’t believe her story, so she decides to investigate for herself and is soon joined in her quest by Suzie, a salt-of-the-earth dog-walker, and Becks, the prim and proper wife of the local vicar.

Washington, DC, 1950. Everyone keeps to themselves at Briarwood House, a down-at-the-heels all-female boardinghouse in the heart of the nation’s capital where secrets hide behind white picket fences. But when the lovely, mysterious widow Grace March moves into the attic room, she draws her oddball collection of neighbors into unlikely friendship. Grace’s weekly attic-room dinner parties and window-brewed sun tea become a healing balm on all their lives, but she hides a terrible secret of her own.

When Lila Macapagal moves back home to recover from a horrible breakup, her life seems to be following all the typical rom-com tropes. She's tasked with saving her Tita Rosie's failing restaurant, and she has to deal with a group of matchmaking aunties who shower her with love and judgment. But when a notoriously nasty food critic (who happens to be her ex-boyfriend) drops dead moments after a confrontation with Lila, her life quickly swerves from a Nora Ephron romp to an Agatha Christie case.

Clare Cassidy is no stranger to murder. A high school English teacher specializing in the Gothic writer R. M. Holland, she teaches a course on it every year. But when one of Clare’s colleagues and closest friends is found dead, with a line from R. M. Holland’s most famous story, “The Stranger”, left by her body, Clare is horrified to see her life collide with the story lines of her favorite literature.

Nell McDaragh never knew her grandfather, the celebrated Irish poet Phil McDaragh. But his love poems seem to speak directly to her. Restless and wryly self-assured, at twenty-two Nell leaves her mother Carmel’s orderly home to find her own voice as a writer (mostly online, ghost-blogging for an influencer) and to live a poetical life. As she chases obsessive love, damage, and transcendence, in Dublin and beyond, her grandfather’s poetry seems to guide her home.

Every day Iona, a larger-than-life magazine advice columnist, travels the ten stops from Hampton Court to Waterloo Station by train, accompanied by her dog, Lulu. Every day she sees the same people, whom she knows only by nickname: Impossibly-Pretty-Constant-Reader and Terribly-Lonely-Teenager. Of course, they never speak. Seasoned commuters never do. Then one morning, the man she calls Smart-But-Sexist-Manspreader chokes on a grape right in front of her. He’d have died were it not for the timely intervention of Sanjay, a nurse, who gives him the Heimlich maneuver.

The night after her father's funeral, Claire meets Lucas in a bar. Lucas doesn't know it, but it's not a chance meeting. One thoughtless mistyped email has put him in the crosshairs of an extremely put-out serial killer. But before they make eye contact, before Claire lets him buy her a drink—even before she takes him home and carves him up into little pieces—something about that night is very wrong. Because someone is watching Claire. Someone who is about to discover her murderous little hobby.

Fiona, Sue, and Daisy, three retired ladies who volunteer at the local charity shop, Dogs Need Nice Homes, can’t believe their favorite customer is dead. Eighty-six-year-old Sarah Brown was found murdered in her hallway by her delivery man, a domino clutched in her hand—with a name scratched on it. When another person is found dead with a domino in their hand, and with the police making no progress, the ladies will need to help unmask a serial killer. At least they have Fiona’s scruffy-haired terrier cross to assist them.

When Sasha receives a call from her old university friend Gabby inviting her to spend Christmas at Gabby’s remote Scottish lake house, Sasha knows she shouldn’t go. Twelve years ago, on Christmas Eve, when Sasha and her five closest friends were celebrating the festive season, something truly horrific happened that would change the course of their friendship forever. Something that meant Sasha hasn’t spoken to any of them since that night.

After the killing of a prominent mob lawyer, NYPD homicide detectives Jacob Jackson and Caitlin Grimes start receive chilling, written “rules” for how to commit the perfect murder. "Rule number one for the perfect murder: Evidence is your enemy. Leave none behind." Jackson (Reid Scott) and Grimes (Cobie Smulders) race to find the killer, setting them on a collision course with the city’s crime underbelly, and a perpetrator who seems happy to toy with them. “Rule number two. No crimes of passion. The perfect murder is always business, never pleasure.”

England, 1914. The world is at war. Captain Hastings, injured and shaken, is invited to Styles Court to recover. It’s a grand old country house - the family home of his old friend - and a perfect haven. Or so it seems. But in the blistering summer heat, trouble is afoot. Simmering tensions are tearing the family apart, and it all comes to a head in the most horrifying way.

Jenny sits in the same seat on the same train every week, seeing familiar faces come and go. Until a chance encounter shatters her world. Sixteen years ago, Jenny survived a traumatic ordeal that left her best friend, Susie, missing and presumed dead. The world has its theories about what happened to Susie Patterson, and one of those theories points the finger at Jenny. Now she lives a quiet life, volunteering at a crisis helpline while trying to deal with her own anxiety and the true crime fans obsessed with finding her missing friend.

Lowen Ashleigh is a struggling writer on the brink of financial ruin when she accepts the job offer of a lifetime. Jeremy Crawford, husband of best-selling author Verity Crawford, has hired Lowen to complete the remaining books in a successful series his injured wife is unable to finish. Lowen arrives at the Crawford home, ready to sort through years of Verity's notes and outlines, hoping to find enough material to get her started. What Lowen doesn't expect to uncover in the chaotic office is an unfinished autobiography Verity never intended for anyone to read.

Kidnappers grabbed Jenna in broad daylight, right in front of her children and their horrified classmates. Her family was issued an insane ransom demand: $25 million in cash and jewels, payable by the end of the school day, otherwise they’ll never see her again. As Jenna’s mother scrambles to gather the money, detectives Mo Butler and George Ortega follow the trail of the kidnappers, which will lead them through a sordid landscape of jealous lovers, broken dreamers, and twisted schemers. But every second counts, and there’s one thing Jenna Wade doesn’t have: very much time.

When Heather McKinley dreamed of becoming a doctor, she imagined curing sick kids and sporting pink stethoscopes. She never anticipated the sleepless nights, grueling exams, and endless labs. And she certainly never knew that her medical school earned the nickname Dead Med thanks to the tragic history of students overdosing on illegal drugs. But Heather would never consider doing anything like that. That is, until her longtime boyfriend dumps her, she finds herself failing anatomy, and her world starts to crumble.

Cassie thinks she has met the perfect man. Joel is sweet, handsome, romantic, and best of all, he’s crazy about Cassie. She thinks she’s found the guy she’ll spend the rest of her life with. Have children with. Grow old with. Yes, she knows about his perfect ex-girlfriend, Francesca. The beautiful, brilliant chef, beloved by all his friends. But she thinks Francesca is out of the picture. She thinks Francesca is gone for good. Think again, Cassie.

Jazz Bashara is a criminal. Well, sort of. Life on Artemis, the first and only city on the moon, is tough if you're not a rich tourist or an eccentric billionaire. So smuggling in the occasional harmless bit of contraband barely counts, right? Not when you've got debts to pay and your job as a porter barely covers the rent. Everything changes when Jazz sees the chance to commit the perfect crime, with a reward too lucrative to turn down.

Everyone thinks my husband is dead. Just like we planned. Eleven years ago, my husband disappeared. Eleven long hard years I waited, my heart breaking for our son, who didn’t know his father was coming back. Today, my hands shake as I try to understand what I’ve just learned: my husband has a new wife. This wasn’t part of our plan. Eleven years ago, my husband made a terrible mistake. I sacrificed everything to help him fix it. But now he’s put our son and me in danger again. We had a plan. He broke the rules. But who will pay the price?

Last summer, Alice Ogilvie’s basketball-star boyfriend Steve dumped her. Then she disappeared for five days. She's not talking, so where she went and what happened to her is the biggest mystery in Castle Cove. Or it was, at least. But now, another one of Steve’s girlfriends has vanished: Brooke Donovan, Alice’s ex-best friend. Enter Iris Adams, Alice’s tutor who has her own reasons for wanting to disappear. The police are convinced Steve is the culprit, but Alice isn’t so sure, and with Iris on her side, she just might be able to prove her theory.

February 13, 1692. Thirty-eight members of the MacDonald clan are killed by soldiers who had previously enjoyed the clan’s hospitality. Many more die from exposure. Forty miles south, brilliant, captivating Corrag—accused witch and orphaned herbalist—is imprisoned in the Scottish highlands for her involvement in the massacre.

It’s 1953, and for Nick Taylor, WWII veteran turned company lawyer, oil is the key to the future. He takes the train into the city for work and returns to the peaceful streets of the suburbs and to his wife, Bet, former codebreaker now housewife, and their two children, Katherine and Harry. Nick comes from humble origins but thanks to his work for American Oil, he can provide every comfort for his family, including Last House, a secluded country escape. Deep in the Vermont mountains, the Taylors are free from the stresses of modern life.

Clare Cassidy is no stranger to murder. A high school English teacher specializing in the Gothic writer R. M. Holland, she teaches a course on it every year. But when one of Clare’s colleagues and closest friends is found dead, with a line from R. M. Holland’s most famous story, “The Stranger”, left by her body, Clare is horrified to see her life collide with the story lines of her favorite literature.

Her family's lighthouse home is an island of enchantment for 13-year-old Eliza Wells. Surrounded by whales, seals, and pelicans, she avoids the problems that beset the mainland: like the increasingly heated conflict between the local town's white and Chinese citizens.

As India celebrates the arrival of a momentous new decade, Inspector Persis Wadia stands vigil in the basement of Malabar House, home to the city's most unwanted unit of police officers. Six months after joining the force she remains India's first female police detective, mistrusted, sidelined and now consigned to the midnight shift. And so, when the phone rings to report the murder of prominent English diplomat Sir James Herriot, the country's most sensational case falls into her lap.

Years ago Alex Marks escaped to New York City for a fresh start. Now, aside from trips to her regular diner for coffee, she keeps to herself, gets her perfectly normal copywriting job done, and doesn’t date. Her carefully cultivated world is upended when her childhood hero, Francis Keen, is brutally murdered. Francis was the woman behind the famous advice column, Dear Constance, and her words helped Alex through some of her darkest times. When Alex sees an advertisement searching for her replacement, she impulsively applies, never expecting to actually get the job.

Nikki Serafino is enjoying the sunset from her boat in her beloved port city of Naples, Italy, when she discovers the body of a man in the warm waters of the bay. An investigator working as the liaison between local police and American troops, Nikki is certainly no stranger to violence and organized crime, but this case grows complicated when the victim turns out to be a U.S. Navy captain stationed at the nearby military base—and the autopsy reveals foul play.

University professor Gela Nathaniel must make her new master’s program in multimedia art succeed. If it doesn’t, then Royal Hastings University will cut her funding and she’ll be out of the job she loves. The six students in this inaugural course will be key to that success…but how well has she selected the team? At the end of the academic year, when the examiner arrives to grade the students’ final project, he finds himself asking what happened. Because if someone in that course isn’t in mortal danger, then they are already dead. But who, and why?

Natalka and Edwin are perfect if improbable partners in a detective agency. At eighty-four, Edwin regularly claims that he’s the oldest detective in England. He is a master at surveillance, deploying his age as a cloak of invisibility. Natalka, Ukrainian-born and more than fifty years his junior, is a math whizz, who takes any cases concerning fraud or deception. Despite a steady stream of minor cases, Natalka is frustrated. She loves a murder, as she’s fond of saying, and none have come the agency’s way. That is until local writer Melody Chambers dies.

When Lydia takes a job running the Senior Citizens’ Social Club three afternoons a week, she assumes she’ll be spending her time drinking tea and playing gentle games of cards. The members of the Social Club, however, are not at all what Lydia was expecting. From Art, a failed actor turned kleptomaniac to Daphne, who has been hiding from her dark past for decades to Ruby, a Banksy-style knitter who gets revenge in yarn, these seniors look deceptively benign—but when age makes you invisible, secrets are so much easier to hide.

Three generations of Schmidts have run their family’s beachfront restaurant and Jack has been at the helm since the death of his father. Jack puts the demands of the restaurant above all else, with a string of failed relationships, no hobbies, and no days off as proof of his commitment to the place. He can’t remember the last time he sat on the beach, or even enjoyed a moment to himself. Meanwhile, the DelDine group has been gradually snapping up beloved eateries along this stretch of coast and are pursuing Jack with a very generous offer to take Schmidt’s off his hands.

In the summer of 1941, on the New England shores where they were raised, Evelyn and Joseph fell in love. Now, more than sixty years later, with a lifetime between them, they have gathered their three grown children to share the staggering news: she has received a heartbreaking diagnosis, and he can't live without her. So in one year's time they will end their love story on their own terms.

Michael is coming undone. Adrift after his wife's departure, he has begun taking himself on long, solitary walks across the English countryside. Becoming ever more reclusive, he’ll do anything to avoid his empty house. Marnie, on the other hand, is stuck. Hiding alone in her London flat, she avoids old friends and any reminders of her rotten, selfish ex-husband. Curled up with a good book, she’s battling the long afternoons of a life that feels like it’s passing her by.

The New York Times best-selling author of Magpie Murders and Moriarty brilliantly reinvents the classic crime novel once again with this clever and inventive mystery starring a fictional version of the author himself as the Watson to a modern-day Holmes, investigating a case involving buried secrets, murder, and a trail of bloody clues.