The acclaimed BBC Radio 4 space drama arrives in its entirety for the very first time, with a bonus introduction by creator and writer James Follett. The starship Challenger has been on a 115-year-long mission, exploring other galaxies for suitable Earth-like planets to colonise. The present crew of four were born on the ship and have never left it. But when the Challenger attempts to return to the crew's home planet, it discovers that the Earth has vanished!

Terminus finds her investigating the 'Lucky Charm' murders, as she searches for an elusive serial killer who haunts the railway station. In The Smithfield Murders, a grisly killing at London's famous meat market sparks another troubling investigation, while in The Net and the Canal, Enfield and her team look into a series of mysterious murders along Regent's Park Canal. Leaves of the Dead presents her with a trio of inexplicable deaths in the British Library - could they be ritual murders?

Five BBC Radio 4 dramatisations of John Buchan’s espionage thrillers featuring gentleman spy Richard Hannay. The forerunner to James Bond, Secret Agent Richard Hannay is a thoroughly British action hero, pursuing ruthless villains, foiling deadly plans and risking life and limb for his country. This gripping collection encompasses all five of Hannay’s adventures, adapted for radio with superb casts including Tom Baker, Clive Merrison, Stuart Milligan, Jasmine Hyde and Patrick Malahide.

Glasgow’s finest are on the case in these thrilling radio adaptations, based on the books by Peter Turnbull. In the four-part serial Condition Purple, a murdered prostitute is found in the heart of Glasgow's prosperous business quarter. Could a tattoo on her body hold the key to finding her killer? In Two Way Cut, another four-parter, a headless body without a speck of blood on it has the cops puzzled - and who was the strange figure that PC Hamilton saw running along by the canal?

London,1953. Josephine Daunt and Susan Dervish both worked for the Ministry of Defence during the Second World War, doing top-secret, highly dangerous espionage work. But in peacetime, they find themselves without a job and feeling useless. Determined to put their talents to good use, they decide to set up a detective agency, with the help of former private eye Bill Mackie. From their Covent Garden office, they handle a steady flow of business.

H. G. Wells wrote dozens of novels and short stories and is often called the 'father of science fiction'. Here we collect together the works of H. G. Wells as broadcast on BBC Radio. With full-cast dramatisations of novels including The Time Machine, The Island of Dr Moreau, The War of the Worlds, Ann Veronica, The First Men in the Moon and The Wonderful Visit; plus readings of The Invisible Man, Love and Mr Lewisham and several short stories including The Inexperienced Ghost and In the Abyss. 

Detective Inspector Gwen Danbury comes from a family of investigators. Her father was a policeman, and her mother Joan often discussed cases with him - on one occasion helping him to solve a tricky murder. Gwen already has a capable, efficient sidekick in the form of DS Henry Jacobs - but nevertheless, her mum insists on helping Gwen with her inquiries.

Blake's 7: A Rebellion Reborn brings together the epic trilogy Rebel, Traitor and Liberator with the complete collection of Blake's 7: The Early Years audio adventures, revealing the lives of the Liberator crew be before they encountered the freedom fighter Roj Blake. Blake's 7 - The Audio Adventures: Rebel, Traitor and Liberator follow Blake’s incarceration; the forging of his legendary crew; and their capture of a mysterious alien spacecraft.

A collection of the BBC’s dramatisations of Ngaio Marsh’s most famous sleuth: Chief Inspector Roderick Alleyn. Includes 'A Man Lay Dead', 'A Surfeit of Lampreys', 'Opening Night' and 'When in Rome'.

Charles Chilton's classic science-fiction trilogy stormed the BBC airwaves during the 1950s. Its gripping story lines, extra-terrestrial sound effects, and atmospheric music engaged the listener as never before. Between 1953 and 1958, a devoted audience of adults and children attentively followed Captain Jet Morgan and his crew from one cliff-hanger to another as, together, they faced the unknown perils of space.

Inspired by Henry Cecil's 1955 comic novel of the same name, Brothers in Law first appeared on BBC One in 1962, providing Richard Briers with his first starring role on television as idealistic young barrister Roger Thursby. Adapted by Richard Waring from TV scripts by Frank Muir and Denis Norden, it took to the airwaves in 1970, running for three years until 1972. As the series opens, the rookie lawyer is in his first year at chambers, and struggling to learn the ropes. 

The Man in Black is waiting to make your acquaintance. Maybe you’ll meet him on a bus, in the supermarket or at an airport luggage carousel. Perhaps he’ll peer into your baby’s pram or approach you in the corridor of a care home. Wherever you encounter him, he's eager to pass on his stories. Stories of darkness and death, myth and madness. Stories to unsettle and horrify.

They never came tougher than Marlowe, a cynical, world-weary, wise-cracking shamus whose honesty in a dishonest world sent him down the mean streets again and again in search of some kind of justice. Ed Bishop stars as Philip Marlowe in these powerfully atmospheric BBC Radio 4 dramatisations of Raymond Chandler's novels. 

DI Trueman and DS Riley are reluctant partners in crime-fighting, paired up after high-flyer Trueman suffered a nervous breakdown that left him struggling to get back on his feet. Working with Riley isn’t exactly what the doctor ordered - but the Sergeant turns out to be much more of a help than a hindrance when it comes to cracking cases.

A BBC Radio 4 crime drama about a Merseyside mum-turned-private eye. Single mum Rosie Monaghan is 39 and redundant. Wondering what to do with the rest of her life – and with two kids to support – she decides to start a new career as a private detective. In series 1 she begins her first investigation, involving a mystery client and a seemingly innocent death that no one else thinks is murder. But being a private eye proves trickier than she thought.