Mia is about to turn eighteen and has decided to put down her princess pen for good . This is your one and only chance to find out how it all ends - including the answers to hotter than hot questions like : Is the practically perfect love of Mia's life ? Has Michael Moscovitz fallen for a brainbox Japanese beauty ? And is Mia REALLY the last unicorn ' at Albert Einstein High ? There's only one way to find out .. Did you know that there are unicorns in New York ? You have SO got to read the book . FOR OLDER READERS The tenth book in the hilarious . bestselling The Princess Diaries series