Really, if you get the time try to. The trilogy does not have to be read in order, but it is the last one that would be most pertinent to the questions raised. Good luck in you and your wife's studies.
I'm a semi-retired pharmacist and I would have loved to go into research, but I knew the ability to do hard research (research for knowledge sake) would be tough to do without doing a lot of butt-kissing.
SDG