The Castle Corona by Sharon Creech.

Do you sometimes wish you were a prince, princess, queen or king? Did you ever think that famous pop stars wish they were a little less popular? Well, it’s almost exactly the same in The Castle Corona by Sharon Creech. The royal family, King Guido, Queen Gabriella, Prince Gianni, Prince Vito and Princess Fabrizia each wish they were anything but royal.  In contrast, two peasants, Enzio and Pia wish they were royal. There are a lot of interesting characters in this book and the author really develops each character with their unique personalities. This book is really great because it connects the very different lives. Mysteries are unraveled and in the end everything makes sense.