As this book was going to press, the Editor-in-Chief of the British Journal of Urology International introduced an interesting and timely phrase nger tip urology . He has rightly pointed out that medical knowledge base is expanding so rapidly that no urologist can keep pace. The implication is that there is a desperate need for an easy reference source in many areas of urology. We think that this book is spot on Urological diagnosis is rarely possible without tests. And there are several tests to request. What investigation to order in which patient is always in the mind of those who care...