This is the second edition of the Oxford Specialist Handbook in Parkinson’s Disease and Other Movement Disorders aiming to provide its readership with the latest developments and innovation across the discipline. Alongside this update in content, the addition of new, insightful sections suggested by readers and other experts in the field, will allow the handbook to further develop as the premier quick reference guide for movement disorders. The varied and detailed composition of the handbook’s chapters is extremely useful for the various readership of this title. The new edition advances the the knowledge and depth of the previous edition with the addition of a number of new sections. This new and improved edition will be a welcome and extremely useful addition to the neurological world.