When a six-foot-tall tan giant of man comes into Albert Blunt's International Detective agency, Tommy and Tuppence—married couple and detective aficionados—are in for a treat. Not only has Mr. Stavansson emerged after a two-year Arctic adventure, but he's lost his fiancée Hermione too. What telegrams and scraps of information Tommy and Tuppence can gather are all the hope the adventurer has in finding her. But this information leads the duo into dangerous situations, investigating secluded country houses in the dead of night, and that's only the start of it.

Captain Sessle is found stabbed through the heart with a hatpin, and the only clue is a bit of red wool in his hand. A pretty blonde is charged because she was wearing a bright red wool coat, but the Beresfords aren't so sure.

During a lull in business, Tommy and Tuppence amuse themselves by perusing the paper's personal columns. One cryptic ad reads, "Three hearts... 12 tricks... Ace of Spades... finesse the King." Tommy is certain it is a secret message indicating a crime about to be committed.

Previously published in the print anthology Partners in Crime. The Beresfords finally come face to face with their secret adversary. In order to crack the case, they must ape the techniques of the great Hercule Poirot.

Previously published in the print anthology Partners in Crime. A woman wants to prove that she was in two different places at the same time! Tommy and Tuppence are on the case.

The rather disgruntled pair is sequestered in the Grand Adlington Hotel having made a pig's ear out of their latest case. But, whilst sipping mournful cocktails, with Tommy oddly dressed as a Parson, they are gleefully accosted by their old acquaintance Mr. Bulger who has London's most beautiful stage actress, Gilda Glen, in tow. Feather brained and a little confused, Gilda takes Tommy for a real clergyman and scrawls out a desperate note to meet him away from the hotel.

While lunching in the chic Gold Room, Tommy masquerades as a blind detective. It is then that the Beresfords are approached by the elegant Duke of Blairgowrie for help in locating his missing daughter.

Previously published in the print anthology Partners in Crime. Throwing on an almost convincing French accent, Tommy is determined to act the Great Detective Hanaud to his and Tuppence's latest, lovely client. Miss Hargreaves has recently received a box of chocolates from nobody knows who, and, due to her dislike of chocolates, was the only one to not fall afoul of the arsenic-spiked treats. But, Miss Hargreaves is not the first recipient of such a gift; three other large country houses have received arsenic-laced chocolates.

The Mystery of the Blue Train is a detective novel written by Agatha Christie, first published in 1928. It features Christie's famous Belgian detective, Hercule Poirot, who investigates a murder that occurs aboard the luxurious Blue Train traveling from Calais to Nice. The story revolves around the murder of Ruth Kettering, a wealthy American heiress, whose valuable ruby necklace is also stolen. As Poirot delves into the case, he encounters a cast of characters with motives ranging from financial gain to personal vendettas. Suspects include Ruth's estranged husband, her lover, and other passengers aboard the train.

A classic from the queen of mystery: Agatha Christie.

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.”

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.

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.

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.

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.

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.

They were madly in love. The perfect couple. That was the story everyone in South River believed...until Gin Talcott and Adam Archer are found shot in their bed. Adam is dead at the scene. Gin is fighting for her life. Detectives Greta Jessup and Finn Pate are assigned to the case. Greta has a long history with Gin’s first husband, Eddie, and is determined to protect his 18-year-old twins. Piper discovered the bodies. Daniel is missing—and so is Adam’s gun.

Sloan will go through hell and back for those she loves. And she does so, every single day. Caught up with the alluring Asa Jackson, a notorious drug trafficker, Sloan has finally found a lifeline to cling to, even if it’s meant compromising her morals. She was in dire straits trying to pay for her brother’s care until she met Asa. But as Sloan became emotionally and economically reliant on him, he in turn developed a disturbing obsession with her—one that becomes increasingly dangerous every day.

Tess Strebel can’t recognize her own face. She can’t recognize her home. Her bedroom is unfamiliar. And she can’t remember the handsome stranger lying next to her in bed. A stranger who claims he’s her husband. Tess reads a letter in her own handwriting, composed during a rare lucid day, explaining her life as it now exists: she was in a terrible car accident one year ago. Every morning, she wakes up unable to remember most of the last decade. Including her own wedding.