Football sign, mustache sign, string sign, reverse three signall of these bizarre sounding names are familiar to radiologists who stand in front of black and white shadows all day and interpret for us the innermost anatomy of our patients. Cloistered in their dark rooms, away from the tumult and cacophony of irritable children, these radiographic surveyors remain a mysterious breed who communicate through the dictaphone and typed reports. A new multiauthored book by several prominent pediatric radiologists should go a long way in demystifying and clarifying the thinking processes in the cavernous mind of the pediatric radiologist.