The success of the first edition of this book has encouraged us to revise and update it. In the second edition we have attempted to further clarify por- tions of the text in reference to point symmetry, keeping certain sections and removing others. The ever-expanding interest in solids necessitates some discussion on space symmetry. In this edition we have expanded the discus- sion on point symmetry to include space symmetry. The selection rules in- clude space group selection rules (for k = 0). Numerous examples are pro- vided to acquaint the reader with the procedure necessary to accomplish...