What is the world's driest non-polar desert?

What is the name of the largest desert in North America? Which desert covers parts of Peru and Chile? In which continent is the Kalahari Desert located? In which continent is the Gobi Desert primarily located? In which country is the Chihuahuan Desert primarily located? Which desert is known for its unique 'fairy circles'? In which country is the Arabian Desert primarily located? What is the largest hot desert in the world?