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.

Sherlock Holmes is the greatest detective in literary history. For the first time since the death of Sir Arthur Conan Doyle, a new Holmes story has been sanctioned by his estate, whetting the appetites of fans everywhere. Information about the book will be revealed as deliberately as Holmes himself would unravel a knotty case, but bestselling novelist and Holmes expert Anthony Horowitz is sure to bring a compelling, atmospheric story to life.

Editor Susan Ryeland has left her Greek island, her hotel, and her Greek boyfriend Andreas in search of a new life back in England. Freelancing for Causton Books, she’s working on the manuscript of a novel, Pund’s Last Case, by a young author named Eliot Crace, a continuation of the popular Alan Conway series. Susan is surprised to learn that Eliot is the grandson of legendary children’s author Marian Crace, who died some fifteen years ago—murdered, Elliot insists, by poison.

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.

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.

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.

Three very different women come together to complete an environmental survey on the Northumberland countryside. Three women who, in some way or another, know the meaning of betrayal....For team leader Rachael Lambert the project is the perfect opportunity to rebuild her confidence after a double-betrayal by her lover and boss, Peter Kemp. Botanist Anne Preece, on the other hand, sees it as a chance to indulge in a little deception of her own. And then there is Grace Fulwell, a strange, uncommunicative young woman with plenty of her own secrets to hide.

It’s Christmastime in Brighton, and the city is abuzz about magician Max Mephisto’s star turn in Aladdin. But the holiday cheer is lost on DI Edgar Stephens. He’s investigating the murder of two children, Annie and Mark, who were found in the woods alongside a trail of candy—a horrifying scene eerily reminiscent of “Hansel and Gretel.” Edgar has plenty of leads. Annie, a dark child, wrote gruesome plays based on the Grimms’ fairy tales. Does the key to the case lie in her final script? Or does the macabre staging of the bodies point to the theater and the capricious cast of Aladdin?

In the winter of 1937, the village of Okamura is abuzz with excitement over the forthcoming wedding of a son of the grand Ichiyanagi family. But amid the gossip over the approaching festivities, there is also a worrying rumour - it seems a sinister masked man has been asking questions about the Ichiyanagis around the village. Then, on the night of the wedding, the Ichiyanagi family are woken by a terrible scream, followed by the sound of eerie music - death has come to Okamura, leaving no trace but a bloody samurai sword, thrust into the pristine snow outside the house.

Anthony Horowitz selects and introduces the best mystery stories from the past year, under the auspices of the world's oldest mystery fiction specialty bookshop.

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.

Spring, 1918. The Great War is at a crucial stage, the Germans are making one last push into France, and the Allies are struggling to hold them back. Battle lines are shifting, and men, and their machines, are being sent up and down the front to shore up defenses. Major Heathcliff Lennox, and his batman Greggs, are told to report to their new HQ. They set off on a sunlit day to fly the distance, but the enemy is never far away, and disaster strikes. They're sent crashing to the ground behind enemy lines, where life, death, and love await.

Brighton, 1950. The body of a girl is found cut into three pieces. Detective Inspector Edgar Stephens is convinced the killer is mimicking a famous magic trick—the Zig Zag Girl. The inventor of the trick, Max Mephisto, is an old war friend of Edgar’s. They served together in a shadowy unit called the Magic Men, a special ops troop that used stage tricks to confound the enemy. Max is on the traveling show circuit, touring seaside towns with ventriloquists, sword-swallowers and dancing girls.

It’s the opening night of The Manor, the newest and hottest luxury resort, and no expense, small or large, has been spared. The infinity pool sparkles; the “Manor Mule” cocktail (grapefruit, ginger, vodka, and a dash of CBD oil) is being poured with a heavy hand. Everyone is wearing linen.

Verity Beresford is worried about her husband. Oliver didn’t come home last night so of course Verity goes straight to Judith Potts, Marlow’s resident amateur sleuth, for help. Oliver, founder of the Marlow Amateur Dramatic Society, had hired The Marlow Belle, a private pleasure cruiser, for an exclusive party with the MADS committee but no one remembers seeing him disembark. And then Oliver’s body washes up on the Thames with two bullet holes in him—it’s time for the Marlow Murder Club to leap into action.

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?

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.

Editor Susan Ryeland has left her Greek island, her hotel, and her Greek boyfriend Andreas in search of a new life back in England. Freelancing for Causton Books, she’s working on the manuscript of a novel, Pund’s Last Case, by a young author named Eliot Crace, a continuation of the popular Alan Conway series. Susan is surprised to learn that Eliot is the grandson of legendary children’s author Marian Crace, who died some fifteen years ago—murdered, Elliot insists, by poison.

Matt is being punished for a crime he saw, but didn't commit. Instead of being locked up, he is being sent to the middle of nowhere to live with a new foster mom, as part of a government scheme called The Leaf Project. But Matt's new home provides anything but peace and quiet. His new guardian is involved in very sinister things, and the whole town seems to be on her side. The truth is much bigger than Matt or the town, but Matt is the only person who can stop the ultimate evil from being unleashed.

Sherlock Holmes is the greatest detective in literary history. For the first time since the death of Sir Arthur Conan Doyle, a new Holmes story has been sanctioned by his estate, whetting the appetites of fans everywhere. Information about the book will be revealed as deliberately as Holmes himself would unravel a knotty case, but bestselling novelist and Holmes expert Anthony Horowitz is sure to bring a compelling, atmospheric story to life.

Twelve-year-old Joe Warden isn’t happy. Sure, he’s rich, but his parents don’t care about him. His grandmother should make everything better, except that Joe’s granny is a nightmare. She’s not just physically repulsive, she’s horribly mean. Everyone thinks she’s just a dotty old woman, but Joe knows the truth. He’s seen behind her mask and glimpsed the wicked glimmer in her eyes – she is pure evil.

Anthony Horowitz selects and introduces the best mystery stories from the past year, under the auspices of the world's oldest mystery fiction specialty bookshop.

London, 1890. 221B Baker St. A fine-art dealer named Edmund Carstairs visits Sherlock Holmes and Dr. John Watson to beg for their help. He is being menaced by a strange man in a flat cap - a wanted criminal who seems to have followed him all the way from America. In the days that follow, his home is robbed, his family is threatened. And then the first murder takes place.

Still spinning from the hustle and bustle of city life, Jodie ‘Nosey’ Parker is glad to be back in the Cornish village she calls home. Having quit the Met Police in search of something less dangerous, the change of pace means she can finally start her dream catering company and raise her daughter, Daisy, somewhere safer. But there’s nothing quite like having your first job back at home be catering an ex-boyfriend’s wedding to remind you of just how small your village is.

Haunted by the loss of her cousin, Delilah has curated a world of revenge—playing judge, jury and executioner while, you know, searching for love. Maybe murdering gives her the control she craves. Maybe it fills the gaping hole that Cedar left when she disappeared. Maybe this rage is ancestral, dating back to all of the Indigenous women before her whose cases were closed without much of a search.

Years after a breakdown and a diagnosis of dissociative identity disorder derailed her historical preservationist career, Kenetria Nash and her alters have been given a second chance they can’t refuse: a position as resident caretaker of a historic home. Having been dormant for years, Ken has no idea what led them to this isolated Hudson River island, but she’s determined not to ruin their opportunity.

They said his uncle Ian died in a car accident. Alex Rider knows that's a lie, and the bullet holes in his uncle's car confirm the truth. But nothing can prepare him for the news that the uncle he always thought he knew was really a spy for Britain's top-secret intelligence agency. Enlisted to find his uncle's killers and complete Ian's final mission, Alex suddenly finds himself caught in a deadly game of cat and mouse, with no way out.

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.

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.

Iris narrowly escaped her twin sister’s fate as a teen: abducted in broad daylight and long gone before she could convince the cops there was anything to investigate. With Piper presumed a runaway and no evidence to go on but Iris’s scattered memories, the case quickly goes cold. Ever since that terrible day, Iris’ search for Piper has bordered on obsession. Chasing leads across years and following clues that all seem to point to a single name, Iris does everything she can to get close to the only person who might know the answer to the question that still haunts her: where did Piper go?

Verity Beresford is worried about her husband. Oliver didn’t come home last night so of course Verity goes straight to Judith Potts, Marlow’s resident amateur sleuth, for help. Oliver, founder of the Marlow Amateur Dramatic Society, had hired The Marlow Belle, a private pleasure cruiser, for an exclusive party with the MADS committee but no one remembers seeing him disembark. And then Oliver’s body washes up on the Thames with two bullet holes in him—it’s time for the Marlow Murder Club to leap into action.