Overactive bladder (OAB) affects millions of men and women daily. Given the symptoms of sleep loss, depression, and a lower quality of life than even those with diabetes mellitus, effective and beneficial treatment is a must for these people. Drs Kreder and Dmochowski, both recognized experts on voiding dysfunction and urodynamics, have assembled a distinguished team of experts from around the globe to share with the reader, whether qualified or in-training, their perspectives based both on best practice and personal experience in evaluating and managing the overactive bladder. This seminal work should guide the reader in daily practice.