Into a Strange Lost World is a children fiction novel by Richard Hough under the pen name of Bruce Carter. It was first published by The Bodley Head in 1952. It has also been published under the titles The Perilous Descent and Perilous Descent into a Strange Lost World. It tells the story of two English airmen shot down off the Dutch coast during the Second World War. They are washed up on a sandbar where they discover an entrance to an underground world.