Man walks over, and man swims under. In times of war, it can be burned asunder. What is it?
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?See answer
They are toothy nocturnal immortals.See answer
Select a pack of riddles and try to solve it in an interesting way.
This riddle appears in the following downloadable PDF files: