Meet Ruby--a happy, curious, imaginative 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.

But when Ruby befriends a young boy, she discovers that everyone has worries, and not only that, there's a great way to get rid of them too .