An invaluable reasource for any child psychiatrist, this issue includes the following articles: evolution of coneptualization of bipolar disorder; phenomenology, course and outcome; living with bipolar disorder; assessment of bipolar disorder; emotion regulation in children and adolescents; comorbidity; bipolar disorder in preschooler; neuroimaging findings in juvenile bipolar disorder; genetics; sleep issues; pharmacological treatment; psychotherapy; alternative treatments; and suicidal behavior.