"We all have 'down' days as well as happier days. For people with a bipolar disorder, feelings of sadness and happiness can be more extreme. There is an alternation between feeling very 'up' and very 'down.' It can feel like their moods are in control of them. Fortunately, there are ways to treat this disorder and feel more balanced. The lives of millions of kids are affected by mental illness. And yet it's all too common for kids to feel like they are alone with their problems. Whether you're seeking information for family, friends, or yourself, these books help explain the challenges faced by people with mental disorders"-- Publisher's website.