This free eBook provides an overview on schizophrenia—a chronic and severe disorder that affects how a person thinks, feels, and acts. It contains basic information about signs and symptoms, risk factors, treatment options, and resources for getting help. It is also available in print, HTML, PDF, Mobi, and ePub formats on the National Institute of Mental Health (NIMH) website at www.nimh.nih.gov. This resource is intended for high school students through adults.  It may also appeal to patients and their families, hospital/medical, high school, academic, and public libraries behavioral and mental health reference collections.