Double Identity is a teen fiction book about a 13 year old girl who is confused about what her parents are doing to her. Through out this book she learns about her life. Her name is Bethany and she is left with her aunt, who she has never heard about before. There her parents call her really rarely and talk to her aunt about a girl named Elizabeth. She gets confused about who is Elizabeth. Then she gets to know that Elizabeth was her sister who died when she was 13, and her mother is scared that Bethany will die too because she is 13. Now Bethany thinks that not all the girls die at 13 age, so she gets worried. But then she listens secretly about that she is a clone of Elizabeth meaning that she is going to die the day she did. Read the book to find out about what happens to Bethany.