Mrs. Watson continues her hilarious career as a female Sherlock Holmes casting her net widely to include solving the Long Island Cave Mystery, bringing the murderer of an English woman found dead in Baden-Baden to justice, and finding a Holy Grail for a Scottish Laird.

It has taken over 80 years, but at long last, the British government’s embargo on reporting this slice of diplomatic history has been lifted. It was in November 1940 that a senior minister at the British foreign office in blacked-out London commissioned Holmes and Watson to go to Berlin to negotiate a prisoner of war swap with the German high command. And the price demanded by Nazi Propaganda Minister, Joseph Göbbels, for any prisoner's release? That the two work with the Berlin police to capture a serial killer who is stalking the city’s railway network.

Holmes being away for the day, Watson receives an anonymous request for a meeting at Waterloo station. More for interest's sake than any other reason, he attends the railway station and is confronted by a man whom appears in the last vestiges of physical and mental stress. According to Brinton he has but little time before both his imminent death, and worse, his immortal soul will be cast forever into eternal damnation.

When misadventure led a schoolboy in London to employment at Baker Street, few could have guessed where his introduction to Sherlock Holmes would lead. But as the lad matures and he finds himself caught in the middle of a murder investigation, his friendship with Holmes and Watson lures him into the role of detective. 'Billy' documents his experiences, and soon his sleuthing skills not only bring him to another murder, but also lay the foundation for his metamorphosis into a famous mystery writer.

Victorian England's most famous consulting detective is hot on the trail of London's most notorious serial killer, Jack the Ripper. But in Sherlock Holmes and the Whitechapel Vampire, Jack is a vampire and Holmes' refusal to believe it could be his undoing as the two match wits in this delightfully original first novel.

From some clear pieces of glass and a raven's feather, the great detective must divine exactly who the client was and what prompted him to seek assistance at 221B. Fortunately, Holmes has a number of experts upon whom he can rely as well as his own vast store of esoteric knowledge. Treading a twisted path, Holmes soon finds himself matching wits with an unseen criminal, who appears to be the equal of the late Professor Moriarty. At the same time, he is tasked with sparing the monarchy any possible embarrassment that may stem from the investigation.

A banker finds a photograph of a woman who later appears to him on the street. Could she be leading him to an inexorable appointment with fate? Does she even exist? The Adeptus Exemptus and Imperator of the Esoteric Society of the Roseate Morn is being menaced by a magician with an improbable name. Could there be something to his curse? Can Holmes and a young girl solve an old riddle about her family before the Christmas pudding is served? Who is Cassandra and why was she trying to disgorge a fish from her throat? Join Sherlock Holmes and Dr. Watson as they untangle these mysteries.

In The Adventure of the Jeweled Falcon, Holmes tracks down an ancient priceless statue, but others are looking for it too. In The Case of the Violin Savant, using clues found in the sophisticated musical compositions of a celebrated but mute nine-year-old violin savant, Holmes and Watson attempt to discover where and why the boy and his parents vanished. In The Adventure of Stonehenge in London, Holmes and Watson stumble upon a strange structure on the roof of a mansion in London, and somehow it relates to the missing eighth Earl of Rendlesham.

Séamas Duffy’s fourth novel, Sherlock Holmes and the Sixty Steps, follows a similar format to his previously published Holmes collections: a novella together with some shorter stories. The four stories are: “The Tragedy of Langhorne Wyke” (1890); “The Mystery of the Thirteen Bells” (1895); “The Adventure of the Sixty Steps” (1897); and “The Problem of the Coptic Patriarchs” (1898).

As young men go to the trenches in their millions, they take with them A. E. Housman’s collection of poetry, A Shropshire Lad. “Easy to read in the most difficult circumstances and full of happy memories of home,” opines Mycroft Holmes. But has Housman succumbed to German influence? Sherlock Holmes and Dr. Watson are sent to investigate and come up with a finding unexpected to them. Mycroft lets their finding pass, but Watson is then witness to some Machiavellian political machinations from Mycroft as he deals with Irish rebel Roger Casement.

Did you ever wonder where Sherlock Holmes found the Persian slipper he keeps his shag tobacco in? Had Holmes and Watson ever met before that day at St. Barts? Did Holmes really believe in curses when he said he did? Dr. John Watson reveals the answers to these questions in The Persian Slipper and Other Stories, along with cases involving the putative Naval Man, a night spent at a gentlemen’s club, Holmes’ second marriage proposal, a movable tree, and a surprising wedding ending.

Someone is killing sheep in the Cotswolds. Or something. As Holmes and Watson arrive in the tranquility of a little village of shepherds and farmers to enjoy a few restful days in the idyllic countryside, strange things start to occur. While Holmes locks himself in his hotel room, consumed by depression, Watson is left to explore the surroundings on his own, acquainting himself with both the local shepherding community, the eccentric vicar, and the local folklore concerning a mysterious werewolf.

A decade before his death, Dr. Watson let it be known that with his passing he wished his nephew, Christopher Henry Watson MD, to be the executor of his will and guardian of all his personal and pecuniary affairs. One of the tasks he sanctioned was that his nephew should use his discretion in selecting for publication some of the three dozen or so cases involving Holmes and Watson which had not already seen the light of day.

Sherlock Holmes' investigations were not always the neat and self-contained stories that were presented for publication. Holmes' cases overlapped one another considerably, often with the next beginning while the current was still in motion. Some moved linearly from start to finish without interruption while others stretched, a piece here and a piece there, across weeks, months, or even years and decades.

Sherlock Holmes and Doctor Watson are summoned to Theobald Grange, the Warwickshire home of Lady Heminworth. Being of a nervous and superstitious disposition, her Ladyship lives in fear. Her husband and elder son were recently murdered, apparently by the ghost of a court jester who was executed on the site centuries before. The apparition has warned that she, too, is to die. Holmes rejects a supernatural explanation, although his adversary seems unaffected by gunfire and is able to take flight and disappear.

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?