This book addresses all aspects of neuromodulation therapy in the management of headache and facial pain disorders, paying particular attention to the application of this rapidly growing and fascinating therapy to different forms of headache and facial pain conditions. It is divided into sections covering the principles of and rationale behind neuromodulation for headache, including in-depth discussions of challenging topics such as the definition of refractory headache and prognostic factors, and the technical aspects of devices used to modulate peripheral and central neuronal targets for the management of headaches.