the book i am reading this summer

The book I am reading is about one girl that she wants to be a boy and one time a magic woman grant to her. She can be a boy or a agirl. When she is Júlia she loves a boy and when he is julian he loves a girl so she doesn't knows if she wants to be a boy or a girl.

The autor is David Duran, is a really famous autor in valenciano, he is 35 years old.