When Rex has to watch over his little sister Daisy he isn't very happy about it. He starts telling Daisy what to do, sit over there, stand on one leg, and she does it! But when he tells her to get lost he regrets being mean to his sister; will he ever find her again? This is an adorable story about two dinosaur siblings. It is written by an award-winning author. It comes with supporting notes and discussion points for parents and teachers.