Why and Wherefore? Welcome to our little introductory book It appears in response to be ginning students (i.e., especially general radiology residents) who have sought guidance with the methodology of evaluating positional rela tionships of the feet from radiographs. Since my stepwise "how to" technique has been well received both in the Show-Me state (at the University of Missouri.Columbia) and here in Ohio, it is offered to you as well. To simulate my conventional teaching method, the informal text has an interactive flavor, which I hope makes it useful for you. Please don't be offended by...