A dinosaur named Herb has noticed something about his friend Muriel: she's getting taller. Herb is not. Desperate to catch up to Muriel, Herb tries every method he can think of to grow. He plants himself in the dirt like a flower, but that just leaves him muddy. He has Muriel roll him out like clay, but that just makes him dizzy. He wears platform shoes and a top hat, but he just falls over. Nothing Herb tries works! When will he finally grow? This...