My grad department isn't offering courses listed in the catalog. What do I do?
In most science-technology-mathematics-engineering departments in the U.S., there are many more courses in the catalog than are offered in any year. There are typically pressures (from above, or from faculty) to offer fewer, rather than more, courses, so things may default to reduced graduate course offerings. Nevertheless, if many grad students explicitly request (to the department) a given course, this greatly increases the chances it'll be offered. Certainly if you don't ask, things will probably continue to be the same.