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.