The diagnosis, treatment, and very existence of pediatric bipolar disorder is one of the most contentious debates in our field. While the controversy rages on, we can most agree that our goal remains providing the most efficacious and compassionate treatment to our patients, using a combination of experience, research-driven data, and common sense. We created this issue of CCPR with that goal in mind. Some of these articles on bipolar disorder may seem to directly contradict each other. Our objective is to provide you with information from many viewpoints and leave the rest up to you. We hope you enjoy it.