Enter the world of The Lovecraft Investigations, a thrilling investigation into witchcraft, the occult and secret government operations. All four series are available now on BBC Sounds.

Two adventurers delve deep into the myth, legend and reality of the mysterious creature that’s said to roam the Himalayas. This documentary series from BBC Radio 4 follows amateur yeti enthusiasts Andrew Benfield and Richard Horsey as they travel across the mountain range searching for evidence...