`it is a worthy addition to the library of any group that is actively involved in crystallographic computing' Edward Prince, Acta Crystallographica, 1995 `there is something for almost everyone, and the book has the advantage over a collection of journal articles that it is not a mixture of articles on completely different subjects; it is also less restricted by space constraints than a journal ... this book contains useful information, and it is a worthy addition to the library of any group that is actively involved in crystallographic computing' Acta. Cryst. (1995).