In this series Eldridge explores crimes in derelict London Underground stations in World War Two.

Jim Eldridge was born in central London towards the end of World War II, and survived attacks by V2 rockets on the Kings Cross area where he lived. In 1971 he sold his first sitcom to the BBC and had his first book commissioned. Since then he has had more than one hundred books published, with sales of over three million copies. He lives in Kent with his wife.