Molly the T-Rex is Looking for Friends Molly is a young Tyrannosaurus Rex. One day, Molly decides she wants to make a new friend. What will happen next? Friendship is a common theme in children's literature, and reading books about friendship is a great way to teach kids about how to make friends and a perfect way to introduce children to the importance of friendship. This story helps children to be friendly to others no matter how they look.