This series of puzzles is explored in a six-part thriller starring David Ashton, Stella Forge, Vivienne Dixon and Ian Stewart. From Edward Boyd, the author of The Same River Twice, The Candle of Darkness and Castles in Spain.

Cantankerous and dishevelled, Chief Inspector Dover is no one's idea of a model detective - but he does have an uncanny knack for solving crimes. In these radio dramas, set in the 1960s and '70s, he and his long-suffering sergeant, Charlie McGregor, investigate sinister cases of kidnap and murder. The first four are adapted from Joyce Porter's novels, while the latter two are original stories based on her characters.

1920s Stirling, and Chief Pathologist Dr Wallace is the town's acknowledged expert on all matters forensic. But he's not the only detective in the family - his daughter Barbara, a medical student, also has quite a talent for investigating. In these six one-off dramas, the two amateur sleuths join forces to tackle a string of tricky cases, each involving a suspicious death.

Gordon Jackson stars in this classic noir thriller, with the music of Miles Davis. A man named Johnny Maxen reluctantly walks through the Gare du Nord on his way back to a life he thought he'd left behind. Summoned by a letter from his sometime mother-in-law, Helen Duncan, he returns to Glasgow and the news that his estranged wife has been missing for three months. As far as Johnny's concerned, his dealings with Julia ended five years ago. He's paid his dues and knows he should cut and run. But for Helen's sake, he agrees to find her - alive or dead.

Alison Steadman and Sue Johnston star as world-weary hack Dee T. Mitchell in these two mystery thrillers set in South Wales. These two gripping crime dramas follow the dogged, imaginative and impressive investigations of Dee T. Mitchell, a reporter on a local Swansea newspaper, as she attempts to uncover the murders of two individuals and in the process exposes deep secrets and cover-ups across the Gower peninsula and beyond.

'Truth is the Daughter of Time' is an old proverb. And The Daughter of Time is Josephine Tey's search for the truth about the murder of the Princes in the Tower. Was the hunchback, Richard III, the monster that Shakespeare and the history books have made him out to be?

Roguish Londoner Milkie leaves a glittering society gala to do a favour for glamorous actress Beth Williams. But no good deed goes unpunished, as Milkie soon discovers when an unexpected trip to the Welsh mountains sees him embroiled in a murderous conspiracy.

When Andrew Marsh takes a young woman out for dinner while his wife is away, he soon finds himself in big trouble. He falls under police suspicion when cheques from his missing cheque book start turning up in shops, signed with a false name. Suspected of fraud, Andrew decides to take action. Convinced that the cheque book was stolen by his dinner companion, Sheila Ramsey, he tries desperately to trace her - but she's gone. Things go from bad to worse and Andrew is soon suspected of murder after his car is involved in a hit-and-run. Is he being framed? 

Teddy Johnson stars in this atmospheric six-part radio thriller. Korean War veteran and hip Londoner Steve Gardiner arrives in a small Scottish seaside resort, looking for his old friend Jimmy Morton. But he's picked the wrong time for a reunion. The sleepy town is being terrorised by a homicidal maniac dubbed 'the Kind Man'. Stepping off the train after dark, Steve is almost lynched by a terrified crowd, and at the gloomy Morton house he finds Jimmy and his father behaving strangely. Then, waking in the night, he hears a voice whispering verses in his ear.... 

Inspector Purbright is a thoroughly English policeman: affable, polite, dogged and decent. Created by award-winning crime writer Colin Watson, he appeared in 12 Flaxborough mysteries, four of which were adapted for BBC TV under the title Murder Most English. These five radio dramatisations star Peter Jeffrey, John Pullen and John Rowe as Purbright.

Sergeant Jimmy Vogel is an old-school, down-to-earth copper. Dedicated and tenacious, he's happy to work overtime to get results (to the dismay of his long-suffering wife, Mo). But after repeatedly missing out on promotion, he finds himself working under Superintendent Fraser, whose methods are alien to him. For Jimmy, policing's about understanding human nature, while his boss relies more on facts and figures. But to catch criminals, it takes both science and instinct, as the duo discover in these four stories.

West Midlands copper Jackie Hartwell has one of the toughest jobs in CID: comforting and supporting grieving relatives in the aftermath of a serious crime. But there's much more to what she does than providing tea and sympathy. Part social worker, part savvy investigator, she needs to be able to win the trust of families, while simultaneously keeping a watchful eye on their behaviour and reactions. Because often, the suspect she's searching for isn't far from home....

Daniel Ballantyne: monster and angel, thief and conman, genius - and murderer? Newly released from Wormwood Scrubs, and dying of cancer, notorious art forger Daniel Ballantyne agrees to help art critic Jessica Brown write his biography. But as Jessica digs deeper into his life, she realises that nearly everything he's told her is a lie, and behind his charming persona is a man capable of almost anything. Trapped in a cat-and-mouse game with a master manipulator, Jessica finds herself putting her reputation - and her life - on the line.

Sick of the spying business, professional assassin Art Gordo decides to quit the Secret Service - but his old life won't leave him alone. It's Christmas, three months after his retirement, and Gordo is visited by an old colleague with a proposition. A senior MI7 agent has been selling secrets to the opposition and needs to be eliminated - and the job can't be traced back to the Department. What's more, the task must be completed within the next five days. Clarke's offering big money - but despite the temptation, Art turns him down. Only someone won't take 'no' for an answer.

Each Roman Catholic parish compiles a Book of the Dead from the lists of departed loved ones submitted by parishioners. Printed on the front of the envelopes are three words: November Dead List. In this series, a young priest opens one such envelope and discovers not a list of the dead but a list of people he knows to be alive and members of his congregation. At first he thinks it's someone's idea of a joke. Then the people named start turning up dead.