Non-motor Parkinson's Disease is a burgeoning area of the movement disorders field, as patients increasingly live longer and encounter more late-stage symptoms. The spectrum of non-motor manifestations spans much of the body, with non-motor features occurring in all stages of the disease. Identification of symptoms is key for preserving quality of life and successful treatment. This is a practical manual on all aspects of pre-motor and non-motor manifestations of Parkinson's. The genetic causes of non-motor symptoms are detailed and methods of patient evaluation summarized. Topics such as...