The beloved picture book about what to do when a worry won't leave you at alone -- perfect for reassuring young readers in times of stress. Meet Ruby -- a happy, curious, imaginative young girl. But one day, she finds something unexpected: a Worry. It's not such a big Worry, at first. But every day, it grows a little bigger . . . and a little bigger . . . . Until eventually, the Worry is ENORMOUS and is all she can think about.