When Snooki announced she had made the New York Times bestseller list in January 2011, some may have thought it was a sign of the apocalypse. But the pint-sized Jersey Shore star is just one of several seemingly underqualified celebrities who can themselves a New York Times best-selling author. 

Being a celebrity today means doing it all, from movies to music to fragrances. It's not unusual for a celebrity to extend their reach into publishing. And most of the celebrities on this list have more than one book out in the world.

Click through to see celebrities who made the list.