"NOOOOOOO! I don't want to go to the pool. What if . the water is too cold?" says Holly. Holly the hippo imagines the worst: icebergs and icy water, penguins and seals! Her imagination bursts at every turn, making it harder and harder for her to step foot in the pool. Until she get the chance to be a hero. Holly may be scared, but she is a very brave girl.