All murder mysteries follow a simple set of rules. Grant McAllister, an author of crime fiction and professor of mathematics, once sat down and worked them all out. But that was 30 years ago. Now he's living a life of seclusion on a quiet Mediterranean island - until Julia Hart, a sharp, ambitious editor, knocks on his door. His early work is being republished and together the two of them must revisit those old stories: an author hiding from his past and an editor keen to understand it.

Retired publisher Susan Ryeland is living the good life. She is running a small hotel on a Greek island with her long-term boyfriend, Andreas. It should be everything she's always wanted - but is it? She's exhausted with the responsibilities of making everything work on an island where nothing ever does, and truth be told she's beginning to miss her old life in London.

Hercule Poirot is travelling by luxury passenger coach from London to the exclusive Kingfisher Hill estate. Richard Devonport has summoned him to prove that his fiancée, Helen, is innocent of the murder of his brother, Frank. There is one strange condition attached to this request: Poirot must conceal his true reason for being there from the rest of the Devonport family.

On their first night in Paris, the Gamaches gather for a family dinner with Armand's godfather, the billionaire Stephen Horowitz. But the evening ends in horror when Stephen is knocked down and critically injured in what Armand is convinced is no accident, but a deliberate attempt on an elderly man's life. When a strange key is found in Stephen's possession it sends Armand on a desperate search for the truth that will take him from the top of the Tour Eiffel to the bowels of the Paris Archives.

On a freezing winter morning, fishermen pull a body from the sea. It is quickly discovered that the dead man was the prime suspect in a decade-old investigation, when a prominent civil servant disappeared without trace. DCI Karen Pirie was the last detective to review the file and is drawn into a sinister world of betrayal and dark secrets. But Karen is already grappling with another case, one with even more questions and fewer answers. A skeleton has been discovered in an abandoned camper van and all clues point to a killer who never faced justice - a killer who is still out there.

Private Detective Cormoran Strike is visiting his family in Cornwall when he is approached by a woman asking for help finding her mother, Margot Bamborough - who went missing in mysterious circumstances in 1974. Strike has never tackled a cold case before, let alone one 40 years old. But despite the slim chance of success, he is intrigued and takes it on; adding to the long list of cases that he and his partner in the agency, Robin Ellacott, are currently working on.

Driving home during a swirling blizzard, Vera Stanhope's only thought is to get there quickly. But the snow is so heavy that she becomes disorientated and loses her way. Ploughing on, she sees a car slewed off the road ahead of her. With the driver's door open, Vera assumes the driver has sought shelter, but when she inspects the car she is shocked to find a young toddler strapped in the back seat. Afraid they will freeze, Vera takes the child and drives on, arriving at Brockburn, a run-down stately home she immediately recognises as the house her father, Hector, grew up in. 

Dr Holly Graham is finding life with two sets of twins exhausting. Even with husband Dr Taffy Jones and devoted friend Elsie by her side, she is completely outnumbered. Making the transition back to work will be no easy feat, but a regular slot on Radio Larkford as their on-air doctor might be the perfect stepping stone, until an unexpected job offer changes everything.

Kate Palmer has relocated to Cornwall for a quiet life. Moving into picturesque Lavender Cottage with her sister, Angie, the little village of Lower Tinworthy should be the perfect place for their fresh new start. But within weeks of their arrival, there’s a death in the close-knit community.... A woman is found dead in the village hall, with her own kitchen knife next to the body, covered in blood. Kate, a practice nurse at the local medical center, begins to piece together the clues. 

Beloved ABC broadcaster and best-selling author of Ghost Empire and Saga Land, Richard Fidler is back with a personally curated history of the magical city that is Prague. In 1989, Richard Fidler was living in London as part of the provocative Australian comedy trio The Doug Anthony All Stars when revolution broke out across Europe. Excited by this galvanising historic, human moment, he travelled to Prague, where a decrepit police state was being overthrown by crowds of ecstatic citizens. His experience of the Velvet Revolution never let go of him.  

A long time ago in the future, the secret of time travel became known to all. Everyone seized the opportunity - and the world nearly ended. There will always be idiots who want to change history. And so, the Time Police were formed. An all-powerful, international organisation tasked with keeping the timeline straight. At all costs. Their success is legendary, and the Time Wars are over. But now the Time Police must fight to save a very different future - their own. This is the story of Jane, Luke and Matthew - arguably the worst recruits in Time Police history.... 

A family day out at Briar’s Hall ends in tragedy when a young boy goes missing - and his body is found at the bottom of a disused well in the orchard. It looks like a simple case of an 11-year-old exploring where he shouldn’t: a tragic accident. But Coroner Clement Ryder and Probationary WPC Trudy Loveday aren’t convinced. If Eddie had been climbing and fallen, why were there no cuts or dirt on his hands? Why would a boy terrified of heights be around a well at all? 

Hercule Poirot's quiet supper in a London coffee house is interrupted when a young woman confides to him that she is about to be murdered. She is terrified, but begs Poirot not to find and punish her killer. Once she is dead, she insists, justice will have been done. Later that night, Poirot learns that three guests at a fashionable London hotel have been murdered, and a cufflink has been placed in each one's mouth. Could there be a connection with the frightened woman?

Natalie King's life is full. Some might say too full. With her teaching job, a farm to run, three grown daughters who have not quite got a handle on things, a reserved husband, and a demanding mother-in-law, most days she is too busy to think about whether she is happy. But her life has meaning, doesn't it? After all, she is the one person everyone depends upon.

Lavinia's annual Masked Ball at Mydworth Manor is a highlight of the season, as locals mingle with the great and famous from London. But the lavish party comes to a full stop when one of the guests is found dead down by the lake. It seems it's a clear case of a heart attack. But Harry and Kat suspect that the dead man in a mask was in fact the victim of a clever case of murder. And the killer's work at the party is not yet done... Nathaniel Parker, born in 1962, graduated from the London Academy of Music and Dramatic Art and went on to join the Royal Shakespeare Company.