Why is Santa is headed to the Australian outback—and what if he misses Christmas this year?Every year Santa opens all his Christmas mail. But this year he receives a very special letter, and soon he is packing his bags and setting off, promising to be back by Christmas Eve from this very special mission, but what is he up to? Where is Santa going? And will he be back in time for Christmas eve? Quick . . . hop on board. Let's find out.