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.