The German edition of our book entitled "Operative Frakturen behandlung" by M. E. MULLER, M. ALLGOWER and H. WILLENEGGER (Springer, Berlin . Gottingen . Heidelberg, 1963) has been out of print now for more than three years. We are planning a new edition which will deal with the collective experience of 14,000 new cases, all treated by internal fixation, and will include the newest developments in the field of internal fixa tion. However, it will be some time before this new edition can be published. Increasing demands for a description of the AO technique of internal fixation has stimulated...