The third edition of Understanding Parkinson’s Disease is heading to press. The new edition includes updates on recently developed diagnostic procedures as well as new medications used to treat the disease. “I am pleased to report that we have received a bulk order from a large health care corporation,” said Rod Colvin, Publisher at Addicus Books. “The corporation will use the book to support its roll out of a product. When a large corporation orders one of our books, we see it as a testament to the quality of our work; the book underwent strict vetting by the corporation.